· Sangyong · Market Analysis · 3 min read
Weekly Market Review - August 29, 2026
The week of August 24-28, 2026 was characterized as Global Risk-On. US markets finished modestly higher with the S&P 500 at +0.77% and the Nasdaq at +1.63%. 5 of 7 Magnificent 7 stocks advanced on the week. Korean market
Prepared by Sangyong’s Market Intelligence
Executive Summary
Week Character: Global Risk-On
The week of August 24-28, 2026 was characterized as Global Risk-On. US markets finished modestly higher with the S&P 500 at +0.77% and the Nasdaq at +1.63%. 5 of 7 Magnificent 7 stocks advanced on the week. Korean markets closed modestly higher, with KOSPI at +1.37% and KOSDAQ at +3.08%.
The 10Y Treasury yield fell 3 bps to 4.66%, with little impact on equity multiples. The Korean won strengthened 0.31% against the dollar — a negligible FX effect.
Key stat: Divergent markets — cross-asset selectivity mattered more than directional bets.
Weekly Performance Summary
U.S. Magnificent 7
| Stock | Symbol | Mon Open | Fri Close | Weekly Change | Trend |
|---|---|---|---|---|---|
| Apple | AAPL | $310 | $320 | +3.02% | 🟢 |
| Microsoft | MSFT | $487 | $514 | +5.38% | 🟢 |
| Alphabet | GOOGL | $348 | $347 | -0.42% | 🔴 |
| Amazon | AMZN | $262 | $266 | +1.66% | 🟢 |
| NVIDIA | NVDA | $208 | $218 | +4.35% | 🟢 |
| Meta | META | $559 | $578 | +3.40% | 🟢 |
| Tesla | TSLA | $349 | $349 | -0.06% | 🔴 |
Korean Market Leaders
| Stock | Symbol | Mon Open (₩) | Fri Close (₩) | Weekly Change | Trend |
|---|---|---|---|---|---|
| Samsung Elec. | 005930 | ₩257,000 | ₩257,000 | +0.00% | 🟡 |
| SK Hynix | 000660 | ₩1,671,000 | ₩1,653,000 | -1.08% | 🔴 |
| Hyundai Motor | 005380 | ₩414,000 | ₩399,500 | -3.50% | 🔴 |
Indices
| Index | Mon Open | Fri Close | Weekly Change | Trend |
|---|---|---|---|---|
| S&P 500 | 7,652.86 | 7,711.76 | +0.77% | 🟢 |
| Nasdaq | 25,980.19 | 26,402.42 | +1.63% | 🟢 |
| Dow Jones | 53,417.16 | 53,559.99 | +0.27% | 🟢 |
| KOSPI | 6,696.96 | 6,788.88 | +1.37% | 🟢 |
| KOSDAQ | 813.33 | 838.41 | +3.08% | 🟢 |
Currency (KRW/USD)
- Monday: ₩1,383
- Friday: ₩1,378
- Weekly Change: -0.31% (KRW strengthened — USD weaker)
- Impact: Negligible FX impact this week.
U.S. 10-Year Treasury Yield
- Monday: 4.69%
- Friday: 4.66%
- Weekly Change: -3 bps
- Implication: Stable yields — no rate-driven equity repricing this week.
Weekly Trends and Themes
1. US Market Performance
S&P 500: +0.77% | Nasdaq: +1.63% | Dow: +0.27%
The S&P 500 advanced +0.77% for the week, with Nasdaq outperforming at +1.63%. The rally was broad-based, with tech and value names both participating.
Magnificent 7: 5 of 7 Mag7 stocks advanced. Best: Microsoft (+5.38%), worst: Alphabet (-0.42%).
Takeaway: Consolidation week — no tactical change needed.
2. Korean Market Performance
KOSPI: +1.37% | KOSDAQ: +3.08% (weekly)
KOSPI recovered +1.37% — a constructive move, though confirmation of a sustained uptrend requires follow-through volume.
KOSDAQ sharply higher (+3.08%), outperforming KOSPI — risk appetite favoring small/mid caps.
Among Korean blue chips: Samsung led (+0.00%), Hyundai lagged (-3.50%).
Takeaway: Sideways week — hold existing positions, no tactical action.
3. Currency Impact (KRW/USD)
Weekly KRW Move: -0.31% ₩1,383 → ₩1,378
The won firmed slightly (-0.31%, ₩1,383 → ₩1,378) — a mild positive for USD investors.
Investor Implication: Minor FX tailwind; no action needed.
Export sector note: Stable KRW — no meaningful FX-driven earnings revision expected.
4. Treasury Yields
10Y: 4.69% → 4.66% (-3 bps)
The 10Y Treasury yield held steady at ~4.66% (-3 bps for the week) — no yield-driven repricing of equities.
Market Implication: Stable rates support growth stock multiples.
5. Key Weekly Observation
- Markets moved in a relatively correlated fashion this week — few compelling cross-asset divergences to exploit.
Best and Worst Performers
Best (Weekly Upside Movers):
- Microsoft: +5.38% ██████████
- NVIDIA: +4.35% ████████
- Meta: +3.40% ██████
- Apple: +3.02% ██████
- Amazon: +1.66% ███
Worst (Weekly Declines):
- Alphabet: -0.42%
- SK Hynix: -1.08% ██
- Hyundai: -3.50% ███████
Commentary:
Microsoft was the standout winner at +5.38% — 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.
Hyundai underperformed at -3.50% — watch whether the weakness continues into next week or reverses.
5 of 10 stocks advanced. Negative breadth — more stocks declining than advancing.
Weekly Review Compiled: August 29, 2026 at 12:10 PM Analysis Period: August 24 - 28, 2026 Data Sources: Daily market reports, Naver Finance, Yahoo Finance, FRED