· Sangyong · Market Analysis · 3 min read
Weekly Market Review - August 08, 2026
The week of August 03-07, 2026 was characterized as Mixed / Indecisive. US markets finished moderately higher with the S&P 500 at +2.07% and the Nasdaq at +3.00%. 5 of 7 Magnificent 7 stocks advanced on the week. Korean
Prepared by Sangyong’s Market Intelligence
Executive Summary
Week Character: Mixed / Indecisive
The week of August 03-07, 2026 was characterized as Mixed / Indecisive. US markets finished moderately higher with the S&P 500 at +2.07% and the Nasdaq at +3.00%. 5 of 7 Magnificent 7 stocks advanced on the week. Korean markets closed essentially flat, with KOSPI at +0.02% and KOSDAQ at +8.34%.
The 10Y Treasury yield fell 5 bps to 4.63%, with little impact on equity multiples. The Korean won strengthened 1.55% against the dollar, providing a mild FX tailwind for USD investors.
Key stat: Broad gains — buy-the-dip strategy validated this week.
Weekly Performance Summary
U.S. Magnificent 7
| Stock | Symbol | Mon Open | Fri Close | Weekly Change | Trend |
|---|---|---|---|---|---|
| Apple | AAPL | $303 | $313 | +3.27% | 🟢 |
| Microsoft | MSFT | $488 | $500 | +2.53% | 🟢 |
| Alphabet | GOOGL | $374 | $354 | -5.14% | 🔴 |
| Amazon | AMZN | $284 | $274 | -3.36% | 🔴 |
| NVIDIA | NVDA | $207 | $224 | +8.38% | 🟢 |
| Meta | META | $590 | $592 | +0.32% | 🟢 |
| Tesla | TSLA | $322 | $329 | +2.02% | 🟢 |
Korean Market Leaders
| Stock | Symbol | Mon Open (₩) | Fri Close (₩) | Weekly Change | Trend |
|---|---|---|---|---|---|
| Samsung Elec. | 005930 | ₩239,500 | ₩231,000 | -3.55% | 🔴 |
| SK Hynix | 000660 | ₩1,567,000 | ₩1,422,000 | -9.25% | 🔴 |
| Hyundai Motor | 005380 | ₩393,000 | ₩395,500 | +0.64% | 🟢 |
Indices
| Index | Mon Open | Fri Close | Weekly Change | Trend |
|---|---|---|---|---|
| S&P 500 | 7,600.50 | 7,757.64 | +2.07% | 🟢 |
| Nasdaq | 25,913.90 | 26,690.62 | +3.00% | 🟢 |
| Dow Jones | 53,178.41 | 54,036.93 | +1.61% | 🟢 |
| KOSPI | 6,257.45 | 6,258.77 | +0.02% | 🟢 |
| KOSDAQ | 737.35 | 798.81 | +8.34% | 🟢 |
Currency (KRW/USD)
- Monday: ₩1,429
- Friday: ₩1,407
- Weekly Change: -1.55% (KRW strengthened — USD weaker)
- Impact: FX tailwind for USD investors in Korean equities.
U.S. 10-Year Treasury Yield
- Monday: 4.68%
- Friday: 4.63%
- Weekly Change: -5 bps
- Implication: Stable yields — no rate-driven equity repricing this week.
Weekly Trends and Themes
1. US Market Performance
S&P 500: +2.07% | Nasdaq: +3.00% | Dow: +1.61%
The S&P 500 advanced +2.07% for the week, with Nasdaq outperforming at +3.00%. The rally was broad-based, with tech and value names both participating.
Magnificent 7: 5 of 7 Mag7 stocks advanced. Best: NVIDIA (+8.38%), worst: Alphabet (-5.14%).
Takeaway: Strong institutional conviction — stay long quality tech.
2. Korean Market Performance
KOSPI: +0.02% | KOSDAQ: +8.34% (weekly)
KOSPI was essentially flat (+0.02%), reflecting indecision rather than conviction in either direction.
KOSDAQ dramatically higher (+8.34%), outperforming KOSPI — risk appetite favoring small/mid caps.
Among Korean blue chips: Hyundai led (+0.64%), SK Hynix lagged (-9.25%).
Takeaway: Sideways week — hold existing positions, no tactical action.
3. Currency Impact (KRW/USD)
Weekly KRW Move: -1.55% ₩1,429 → ₩1,407
The won strengthened notably (-1.55%, ₩1,429 → ₩1,407) — a tailwind for USD investors; currency appreciation boosts USD-basis returns from Korean equities.
Investor Implication: Positive for USD investors — total return (price + FX) exceeds the index gain.
Export sector note: KRW strength compresses USD-reported revenues for Korean exporters — margin headwind for next quarter.
4. Treasury Yields
10Y: 4.68% → 4.63% (-5 bps)
The 10Y Treasury yield held steady at ~4.63% (-5 bps for the week) — no yield-driven repricing of equities.
Market Implication: Stable rates support growth stock multiples.
5. Key Weekly Observation
- US outperformed Korea by 2.0pp this week — US macro strength or global risk rotation toward dollar assets is the likely driver.
- Wide Mag7 dispersion this week (13.5pp between best and worst) — stock-pickers’ market; index-level moves understate individual name volatility.
Best and Worst Performers
Best (Weekly Upside Movers):
- NVIDIA: +8.38% ████████████████
- Apple: +3.27% ██████
- Microsoft: +2.53% █████
- Tesla: +2.02% ████
- Hyundai: +0.64% █
Worst (Weekly Declines):
- Samsung: -3.55% ███████
- Alphabet: -5.14% ██████████
- SK Hynix: -9.25% ██████████████████
Commentary:
NVIDIA was the standout winner at +8.38% — a weekly gain of this size reflects either strong earnings catalysts, analyst upgrades, or a short-covering squeeze. Verify whether the move is fundamental or technical before chasing.
SK Hynix was the clear laggard at -9.25% — a decline of this magnitude warrants a fundamental review. Check whether this reflects a company-specific negative (guidance cut, regulatory headwind) or macro pressure.
6 of 10 stocks advanced. Breadth is healthy — more gainers than losers.
Weekly Review Compiled: August 08, 2026 at 12:10 PM Analysis Period: August 03 - 07, 2026 Data Sources: Daily market reports, Naver Finance, Yahoo Finance, FRED