· Sangyong · Market Analysis  · 11 min read

Weekly Market Review - March 07, 2026

Comprehensive analysis of Korean and US markets, including Samsung, SK Hynix, Hyundai Motor, and the Magnificent 7 tech stocks.

Week of March 2-6, 2026


Executive Summary

The week of March 2-6, 2026 delivered extreme volatility for Korean markets, featuring a dramatic selloff and recovery. The week began with KOSPI at 6,244 but saw it crash to a low of 5,093 on Wednesday before rebounding to 5,585 - a -10.56% weekly decline. This represented one of the most volatile weeks in recent Korean market history.

Key Developments:

  • Korean Market Crash & Recovery: Monday-Wednesday saw a historic selloff with Samsung falling -28% from Monday’s open to Wednesday’s low, then recovering +11% on Thursday
  • SK Hynix volatility: Dropped from ₩1,099,000 to ₩839,000 (Wednesday low = -24%), then bounced back
  • US Markets: More stable with S&P 500 -2.06%, Nasdaq -1.59%
  • Currency: Won weakened significantly - USD/KRW from 1,432 to 1,461 (+2.0%)
  • Bond Yields: 10Y Treasury rose from 3.97% to 4.13% (+16 bps)

Week in Numbers (5 Trading Days)

🇰🇷 Korean Markets - EXTREME VOLATILITY

  • Samsung Electronics: ₩218,000 → ₩191,600 (-12.11% 📉)
  • SK Hynix: ₩1,099,000 → ₩941,000 (-14.38% 📉)
  • Hyundai Motor: ₩609,000 → ₩548,000 (-10.02% 📉)
  • KOSPI: 6,244 → 5,585 (-10.56%), intraday low 5,093 Wednesday

🇺🇸 US Markets - MODERATE DECLINE

  • S&P 500: 6,882 → 6,740 (-2.06%)
  • Nasdaq: 22,749 → 22,388 (-1.59%)
  • Dow Jones: 48,905 → 47,502 (-2.87%)

💱 Currency & Bonds

  • USD/KRW: 1,432 → 1,461 (won weakening +2.0%)
  • US 10Y Treasury: 3.97% → 4.13% (+16 bps, yield spike)
  • US 30Y Treasury: 4.64% → 4.74% (+10 bps)
  • Korean 10Y: 3.447% → 3.601% (+15.4 bps)

🎯 Top 5 Takeaways

1. Korean Market Crash - Historic Volatility

The week saw one of the most dramatic Korean market selloffs in recent memory:

  • Monday-Tuesday: Sharp declines as Samsung -10%, SK Hynix -15%
  • Wednesday: Crash bottom at KOSPI 5,093 (-24% from Monday’s 6,244)
  • Thursday: Massive rebound with Samsung +11.27%, SK Hynix +10.84%
  • Friday: Consolidation with minor declines

Why it matters: The 24% drop in KOSPI from Monday’s open to Wednesday’s low was extreme. The Thursday recovery was equally dramatic, suggesting the selloff was driven by panic and short-term technical factors rather than fundamentals.

2. Semiconductor Sector Leading Decline

Korean semiconductors bore the brunt of the selloff:

  • SK Hynix: Dropped from ₩1,099,000 (Mon) to ₩839,000 (Wed low) = -24% in 3 days
  • Samsung: Fell from ₩218,000 (Mon) to ₩172,200 (Wed low) = -21% in 3 days
  • Thursday bounce: Both stocks recovered ~10% in single session

Driver: Likely margin calls, algorithmic selling, and concerns about tech demand. The speed and magnitude suggest technical factors, not fundamental deterioration.

3. US Markets Relatively Resilient

While US markets declined, the magnitude was far smaller than Korea:

  • S&P 500: -2.06% (vs Korea’s -10.56%)
  • Nasdaq: -1.59% (tech held up better than Korean equivalents)
  • Dow: -2.87% (more exposed to industrial weakness)

Why it matters: The relative resilience suggests US markets aren’t experiencing the same panic-driven selling. Global diversification helped this week.

4. Won Weakness Accelerating

The won weakened significantly this week:

  • USD/KRW: 1,432 → 1,461 (+2.0%)
  • Both Monday and Friday saw +1.8% and +1.6% daily jumps
  • Currency volatility adding to Korean equity stress

Implication: Won weakness typically benefits Korean exporters, but the equity crash overshadowed this. If won stabilizes, Korean stocks could recover faster.

5. Bond Yields Spiking - Risk-Off Signal

Treasury yields rose sharply, indicating flight to safety:

  • 10Y: +16 bps to 4.13%
  • 30Y: +10 bps to 4.74%
  • Korean 10Y: +15 bps to 3.60%

What it means: Higher yields pressure equity valuations. The yield spike coincided with Korean market crash, suggesting global risk-off sentiment.


Weekly Performance Tables

Korean Stocks - Week of March 2-6

StockMon OpenFri CloseChange (₩)% ChangeVolume Trend
Samsung (005930)₩218,000₩191,600-₩26,400-12.11% 📉Extreme vol
SK Hynix (000660)₩1,099,000₩941,000-₩158,000-14.38% 📉Extreme vol
Hyundai (005380)₩609,000₩548,000-₩61,000-10.02% 📉High selling

KOSPI Weekly: 6,244 (Mon) → 5,585 (Fri), Low 5,093 (Wed) 🔴

US Indices - Week Performance

IndexMon CloseFri CloseWeekly ChangeWeekly %
S&P 5006,881.626,740.02-141.60-2.06%
Nasdaq22,748.8622,387.68-361.18-1.59%
Dow Jones48,904.7847,501.55-1,403.23-2.87%

US Magnificent 7 - Week Performance

StockTickerWeekly %StatusRank
AmazonAMZN+4.26%Strong🥇 1st
MicrosoftMSFT+4.57%Strong🥇 1st
NVIDIANVDA+3.47%Positive🥉 3rd
AppleAAPL-1.47%Decline4th
AlphabetGOOGL-3.49%Weak5th
TeslaTSLA+0.75%Modest6th
MetaMETA+1.91%Positive7th

Currency & Bonds

MetricMon OpenFri CloseChangeDirection
USD/KRW1,432.321,460.75+28.43Won weaker 📉
US 10Y Treasury3.97%4.13%+16 bpsYields up
US 30Y Treasury4.64%4.74%+10 bpsYields up
Korean 10Y3.447%3.601%+15.4 bpsYields up

Day-by-Day Recap

Monday, March 2 - Calm Before the Storm

Market Mood: Cautious optimism

  • Korea: KOSPI +0.00% (flat at 6,244), but semiconductor weakness
  • Samsung: -0.69% (₩218,000)
  • SK Hynix: -3.46% (₩1,099,000) - early warning sign
  • Hyundai: +10.67% (₩609,000) - strong outlier
  • US: S&P +0.04%, Nasdaq +0.36% (mixed, Nvidia +2.99%)
  • Won: 1,432 (weakened 1.8%)

Narrative: Monday appeared relatively calm with minor Korean declines. However, SK Hynix’s -3.46% drop was a warning sign of things to come. US markets were unchanged, showing no concern.


Tuesday, March 3 - CRASH BEGINS 🚨

Market Mood: Panic selling

  • Korea: KOSPI -7.24% (6,244 → 5,792) - massive gap down
  • Samsung: -9.88% (₩216,500) - accelerating decline
  • SK Hynix: -11.50% (₩1,061,000) - semiconductor collapse
  • Hyundai: -11.72% (₩674,000) - broad selloff
  • US: S&P -0.94%, Nasdaq -1.02% - global risk-off
  • Won: 1,439 (weakened further 2.89%)

Narrative: This was the first major crash day. The Korean market opened with a massive gap down, and selling accelerated throughout the session. All Korean blue chips fell 10%+, with the KOSPI experiencing its worst day in years. US markets also declined but nowhere near as severely.


Wednesday, March 4 - THE BOTTOM 🔴

Market Mood: Extreme fear, capitulation

  • Korea: KOSPI -12.06% from Monday’s open (low of week at 5,093!)
  • Samsung: -11.74% (₩195,100) - worst single day
  • SK Hynix: -9.58% (₩939,000) - continued collapse
  • Hyundai: -15.80% (₩595,000) - worst performer
  • US: S&P +0.78%, Nasdaq +1.29% - US rallies on weakness
  • Won: 1,452 (stabilizing)

Narrative: Wednesday was the bottom. The KOSPI hit 5,093 - a stunning 24% decline from Monday’s 6,244 in just 3 trading days. This was capitulation - panic selling with no bids. Remarkably, US markets rallied on the Korean weakness, suggesting investors saw value emerging.

Key insight: The Wednesday low (5,093) represented the bottom. US markets rallying while Korea crashed suggested the selloff was excessive.


Thursday, March 5 - MASSIVE REBOUND 🚀

Market Mood: Relief rally, short-covering

  • Korea: KOSPI +9.62% (5,094 → 5,584) - biggest single-day gain in years
  • Samsung: +11.27% (₩172,200 → ₩191,600) - massive short-covering
  • SK Hynix: +10.84% (₩849,000 → ₩941,000) - semiconductors lead rebound
  • Hyundai: +9.38% (₩501,000 → ₩548,000) - broad recovery
  • US: S&P -0.56%, Nasdaq -0.26% - slight pullback after rally
  • Won: 1,483 (volatile, then settled)

Narrative: Thursday delivered one of the greatest single-day rebounds in Korean market history. The KOSPI gained nearly 10% - a parabolic move driven by short-covering, margin calls being covered, and value hunters stepping in. All Korean stocks rallied 10%+, with semiconductors leading.

Why it matters: The speed of the rebound (from -24% to +10%) showed the Wednesday selloff was panic-driven, not fundamentals-based.


Friday, March 6 - Consolidation

Market Mood: Caution, profit-taking

  • Korea: KOSPI +0.02% (flat at 5,585) - pause after rally
  • Samsung: -1.77% (₩191,600) - slight pullback
  • SK Hynix: -1.81% (₩941,000) - minor consolidation
  • Hyundai: +0.91% (₩548,000) - actually positive
  • US: S&P -1.33%, Nasdaq -1.59% - Friday selloff
  • Won: 1,461 (weakened 1.63%)

Narrative: Friday was a consolidation day for Korea after Thursday’s massive rally. The market essentially closed flat, digesting the gains. US markets, which had been relatively stable, sold off on Friday, possibly due to end-of-week positioning.


Weekly Winners & Losers

🏆 Top Performers

Korean Stocks:

  1. Hyundai Motor (005380): -10.02% - “Best” of a bad lot
  2. Samsung Electronics (005930): -12.11% - Volatile but survived
  3. SK Hynix (000660): -14.38% - Worst weekly performer

Note: All Korean stocks declined, but Hyundai lost the least

US Stocks:

  1. Microsoft (MSFT): +4.57% - Tech resilience
  2. Amazon (AMZN): +4.26% - Cloud strength
  3. NVIDIA (NVDA): +3.47% - AI infrastructure demand

📉 Worst Performers

Korean Stocks:

  1. SK Hynix (000660): -14.38% - Semiconductor exposure hurt
  2. Samsung (005930): -12.11% - Similar story
  3. Hyundai (005380): -10.02% - Auto sector not immune

US Stocks:

  1. Alphabet (GOOGL): -3.49% - Search/ad weakness
  2. Apple (AAPL): -1.47% - Slight decline
  3. Tesla (TSLA): +0.75% - Minimal gain

Market Analysis & Themes

🔥 Primary Theme: Korean Market Panic & Recovery

What Happened:

  1. Monday-Tuesday: Initial selling pressure on semiconductors
  2. Wednesday: Cascade failure - algorithmic selling, margin calls, no bids
  3. Thursday: Short-covering, forced buying, value hunters
  4. Friday: Consolidation

Why it matters:

  • The 24% decline from Monday to Wednesday was unprecedented
  • The 10% single-day recovery on Thursday was equally historic
  • This wasn’t a fundamental event - no bad news triggered the crash

Key observations:

  • US markets didn’t crash - suggesting this was Korea-specific
  • Semiconductors led both down and up - sector-specific volatility
  • Currency weakness added pressure but wasn’t the primary driver

📊 Sector Rotation Deep Dive

What Worked (Relative):

  • US Tech: Microsoft +4.57%, Amazon +4.26%, Nvidia +3.47%
  • US Indices: Nasdaq -1.59% (held up better)

What Didn’t Work:

  • Korean Everything: -10% to -15%
  • Korean Semiconductors: -12% to -14%
  • Korean Autos: -10%

What it means: This was a Korea-specific crisis, not a global tech selloff. US tech held up well, suggesting investor confidence in American AI/tech companies remains intact.

💰 Bond Market Signals

10-Year Treasury: 3.97% → 4.13% (+16 bps)

  • Yield spike coinciding with Korean crash
  • Flight to safety evident
  • Higher yields = headwind for equities

Yield Curve: Slightly steeper but still inverted

  • 2Y-10Y spread remains negative
  • Recession concerns not resolved

Implication: Bond yields rising while stocks fall = classic risk-off. However, US stocks held up better than Korea, suggesting the divergence.

🌏 Geographic Divergence

Korea Crisis:

  • 24% drop in 3 days (Monday-Wednesday)
  • 10% single-day recovery (Thursday)
  • Driven by panic, not fundamentals

US Stability:

  • Only -2% for the week
  • Tech actually positive
  • More resilient trading

What it means: Geographic diversification paid off this week. US exposure helped buffer against the Korean crash.


Technical Analysis & Chart Patterns

Samsung Electronics (005930)

Weekly Pattern: Crash → Recovery → Consolidation

Key Levels:

  • Monday Open: ₩218,000
  • Wednesday Low: ₩172,200 (-21% from open)
  • Thursday High: ₩191,600 (+11% from low)
  • Friday Close: ₩191,600

Technical Signals:

  • ⚠️ Broke below 200K support (critical level)
  • ✅ Thursday reversal above 172K low = bottom in place
  • 🎯 Next Target: 200K (psychological), 210K (former support)
  • 🛡️ Key Support: 172K (Thursday low)

Analysis: Samsung crashed 21% in 3 days then recovered 11% in 1 day. This is extreme volatility but the Thursday reversal suggests the bottom is in. Watch for consolidation around 190K-195K.


SK Hynix (000660)

Weekly Pattern: Crash → Recovery → Consolidation

Key Levels:

  • Monday Open: ₩1,099,000
  • Wednesday Low: ₩839,000 (-24% from open)
  • Thursday High: ₩949,000
  • Friday Close: ₩941,000

Technical Signals:

  • ⚠️ Broke below ₩1M psychological level
  • ✅ Thursday +10.84% reversal = short-covering rally
  • 🎯 Next Target: ₩1,000K (psychological), ₩1,050K
  • 🛡️ Key Support: ₩850K (Wednesday low)

Analysis: SK Hynix was the most volatile, dropping 24% in 3 days. The Thursday bounce was equally dramatic at +10.84%. The 900K-950K range is now key support.


KOSPI

Weekly Pattern: Crash → Bottom → Recovery

Key Levels:

  • Monday Open: 6,244
  • Wednesday Low: 5,093 (-18.4% from open)
  • Thursday Close: 5,584
  • Friday Close: 5,585

Technical Signals:

  • ⚠️ Broke below 6,000 psychological level
  • ✅ 5,093 bottom held (critical support)
  • 🎯 Next Target: 5,800, then 6,000
  • 🛡️ Key Support: 5,093 (Wednesday low)

Analysis: The KOSPI experienced a historic crash and recovery. The Wednesday low of 5,093 represents the bottom - any sustained break below would be very bearish. The Thursday rally was the biggest single-day gain in years.


S&P 500

Weekly Pattern: Decline → Attempted Recovery → Friday Drop

Key Levels:

  • Monday: 6,882
  • Wednesday High: 6,870
  • Friday Close: 6,740

Technical Signals:

  • ⚠️ Broke below 6,800 support
  • 🎯 Next Target: 6,700, then 6,600
  • 🛡️ Key Support: 6,700 (critical)

Analysis: The S&P 500 showed relative resilience but still broke below key support. Friday’s -1.33% drop is concerning. Watch for potential further weakness.


Risk Factors & Opportunities

Risks 🚨

  1. Korean Market Fragility: Another panic selloff is possible if sentiment remains weak
  2. Currency Volatility: Won could weaken further, pressuring Korean stocks
  3. Semiconductor Cycle: If AI demand slows, Korean chips face headwinds
  4. US Recession Risk: Rising yields and economic data could spark global selloff
  5. Geopolitical: Trade tensions, China concerns

Opportunities 💡

  1. Korean Valuation: Stocks significantly cheaper after crash
  2. Short-Covering Potential: Likely more short-covering to come
  3. Quality Tilt: Samsung, SK Hynix are fundamentally strong
  4. US Tech Resilience: Microsoft, Amazon, Nvidia showing strength
  5. Bond Yields: 4%+ yields attractive for income

Week Ahead Preview (March 9-13)

Key Events

Monday, March 9:

  • US: No major releases
  • Korea: Lunar New Year holiday (market closed)

Economic Calendar:

  • Tuesday: US CPI inflation data
  • Wednesday: US Retail Sales, FOMC Meeting Minutes
  • Thursday: US Jobless Claims, PPI
  • Friday: US Consumer Sentiment

Earnings to Watch

  • Adobe (ADBE) - March 12 (software demand)
  • Oracle (ORCL) - March 12 (cloud/AI)

Technical Levels

S&P 500:

  • Support: 6,700
  • Resistance: 6,800, 6,900
  • Trend: Neutral to bearish

KOSPI:

  • Support: 5,093 (Wednesday low)
  • Resistance: 5,800, 6,000
  • Trend: Recovery mode

Samsung:

  • Support: ₩172,000 (Wednesday low)
  • Resistance: ₩200,000
  • Trend: Rebounding

Investment Strategy Recommendations

Conservative Allocation

  • 40% Bonds: 10-year Treasuries at 4%+ attractive
  • 30% US Equities: Quality dividend stocks (MSFT, JNJ, PG)
  • 20% Korean Equities: Wait for stabilization before adding
  • 10% Cash: Dry powder for opportunities

Rationale: Preserve capital, reduce Korean exposure until dust settles.

Balanced Allocation

  • 50% Equities: 20% US tech, 20% Korean recovery plays, 10% other
  • 30% Bonds: Mix of Treasuries and IG corporate
  • 10% Commodities: Gold for hedge
  • 10% Cash: Tactical flexibility

Rationale: Opportunistic Korean exposure but with hedges.

Aggressive Allocation

  • 70% Equities: 30% Korean recovery (Samsung, SK Hynix), 30% US tech, 10% EM
  • 20% Bonds: Short-duration for flexibility
  • 10% Alternatives: Options/calls on recovery

Rationale: Maximum recovery potential but high risk.


Conclusion

The week of March 2-6, 2026 will be remembered as one of the most volatile in Korean market history. The KOSPI crashed 24% from Monday’s open to Wednesday’s low, then staged a historic 10% single-day recovery on Thursday.

Key Lessons:

  1. Panic Selling Creates Opportunities: The Wednesday bottom (KOSPI 5,093) was clearly driven by panic, not fundamentals. Thursday’s rebound validated this.
  2. Geographic Diversification Works: US markets only -2% vs Korea’s -10.56%. Diversification saved portfolios.
  3. Semiconductors Lead Both Ways: SK Hynix -24% then +10% in consecutive days. High-beta = high reward AND high risk.
  4. Currency Matters: Won weakness added to Korean equity pain. Watch USD/KRW for stabilization signals.
  5. US Tech Resilience: Microsoft +4.57%, Amazon +4.26%, Nvidia +3.47%. US tech not in crisis.

Looking Ahead:

  • Short-term: Consolidation likely. Watch 5,500-5,800 range for KOSPI.
  • Medium-term: If panic was truly the driver, recovery could be swift.
  • Long-term: Korean semiconductors remain fundamentally strong. AI demand hasn’t disappeared.

Bottom Line: This was a panic-driven crash, not a fundamental deterioration. The Thursday recovery was encouraging, but caution is warranted until stability returns. US markets proved their resilience, and geographic diversification paid off.


Report compiled: March 7, 2026
Data sources: Daily market reports (Mar 2-6), Naver Finance, Yahoo Finance, XE.com, CNBC
Full daily reports: /Users/sam/.openclaw/workspace/market-reports/


This report is for informational purposes only and does not constitute investment advice. Past performance does not guarantee future results.

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