[US Close] 2026.08.21 S&P 500 rises +0.4% — Market Wrap

S&P 500 closed at 7,674.37, +0.43% on the day and -1.4% over the week — daily change bars for the last 5 sessions

US Market Report · as of 2026-08-21 NY close

🌐 한국어판 보기

The S&P 500 closed at 7,674.37, up 0.43% on the day. Overall regime call: INFLATION.

S&P 500 Close
7,674.37
+0.43% · -1.6% vs peak
VIX
15.1
Calm <20
USD/KRW
1,386.0
-0.25% · 1M -6.1%
Regime
INFLATION
🟢 Entries allowed

📝 US Market Wrap

■ Market Overview & Leaders

Wall Street closed higher across the board, with the Dow leading at +0.98% to 53,277.01, while the S&P 500 and Nasdaq each added 0.43% to 7,674.37 and 26,180.46 respectively. Tesla surged 5.1%, Oracle gained 3.1%, and Merck rose 2.4%, powering the advance. However, the PHLX Semiconductor Index slipped 0.51% to 11,740.37, weighed down by Intel (-2.2%), NVIDIA (-1.0%), and Applied Materials (-0.8%) — a soft chip tape that could weigh on Asian semiconductor sentiment overnight.

■ Flows & Breadth

Breadth was healthy, with 28 of 40 large-cap names advancing versus 12 decliners, confirming the broad-based rally rather than a narrow mega-cap push. The VIX plunged 5.5% to 15.13, signaling easing hedging demand, while the dollar softened slightly against the won (1,385.98, -0.25%). Notably, semis diverged from the broader index gains — a split worth watching given their outsized influence on tech sentiment.

■ Takeaway

Confidence returned broadly, but cracks in chip names suggest investors are rotating away from semis toward industrials and select tech/healthcare names. Watch whether SOX weakness spreads or stays contained. 📈

📊 Market Snapshot

Index Close 1D 5D 1M vs Peak
S&P 500 7,674.37 +0.43% -1.4% +3.6% -1.6%
Nasdaq 26,180.46 +0.43% -2.1% +4.1% -3.4%
Dow 53,277 +0.98% -0.8% +3.0% -2.0%
PHLX Semiconductor 11,740.4 -0.51% -5.4% -4.9% -19.8%
VIX 15.1 -5.50% +6.2% -19.1% -31.9%
USD/KRW 1,386.0 -0.25% -2.2% -6.1% -10.8%
💡 Korea Market 101
Alongside the majors, we track the PHLX Semiconductor Index (SOX) — the overnight driver of Korean chipmakers like Samsung Electronics and SK Hynix. A big SOX move often sets the tone for the next KOSPI session. VIX under 20 is calm; above 30 signals fear.

3-month index chart

🏷️ Large-Cap Movers (Today)

Gainers Chg Losers Chg
Tesla +5.1% Intel -2.2%
Oracle +3.1% NVIDIA -1.0%
Merck +2.4% Applied Materials -0.8%
Salesforce +1.8% Netflix -0.7%
Caterpillar +1.5% Apple -0.6%

Large-cap breadth: 28 up · 12 down (of 40)

💡 Korea Market 101
Today’s biggest US large-cap moves. US sector rotation frequently leads the Korean market by a day — watching where money flows here gives a preview of tomorrow’s Seoul session.

🔄 Sector Rotation

Sector 1M 3M Score Type
Technology +7.0% +3.1% 23.3 Growth
Health Care +18.8% +27.2% 19.1 Defensive
Consumer Discretionary +9.5% +9.4% 12.1 Growth
Financials +5.7% +13.0% 11.7 Defensive
Energy +9.6% +2.9% 9.1 Defensive
Industrials +0.3% +13.5% 9.1
Communication Services +7.8% -5.0% 2.3 Growth
Materials -6.1% -5.0% -0.1
💡 Korea Market 101
A ranking of where money is flowing across industries. A higher score means stronger recent price action. ‘Growth’ sectors (chips, IT) lead in good times; ‘Defensive’ sectors (telecom, staples) hold up in downturns. When defensives cluster at the top, the market has turned cautious.

📐 Market Breadth

(40 names)

Above 200-DMA Above 50-DMA Up over 1M 52-wk highs 52-wk lows
68% 52% 68% 18% 0%
💡 Korea Market 101
What the index alone hides. ‘% above 200-DMA’ is the share of stocks in a long-term uptrend — below 50% means most stocks are in long-term decline even if the index isn’t. Comparing new 52-week highs vs lows reveals whether it’s truly a bull or bear tape underneath the headline number.

📰 Headlines

Headlines are credited to their publishers — click a headline to open the original article.

💡 Korea Market 101
English-language coverage of the Korean market. Two Korea-specific terms worth knowing: a ‘circuit breaker’ halts all trading when the index moves too fast, and a ‘sidecar’ briefly suspends program trading — both are exchange safety mechanisms you’ll see mentioned on volatile days.

🌐 Macro Dashboard

Indicator Level 1M Signal
US 10Y yield 0.82
Dollar Index (DXY) 118.90 -1.5%
Gold 4,662 +15.2%
WTI Crude 86.50 +6.9%
Bitcoin 78,604 +25.1%
💡 Korea Market 101
The bigger picture around equities. A rising US 10-year yield raises borrowing costs and pressures stocks. A stronger dollar (higher DXY) tends to pull foreign capital out of emerging markets like Korea. Gold is the fear gauge, oil proxies inflation, and Bitcoin reflects risk appetite.

🌡️ Regime & Risk Diagnosis

  • Regime call: INFLATION — Inflationary — growth with rising price pressure
  • Allocation guide: Tilt toward real assets and value
💡 Korea Market 101
Think of the ‘regime’ as market weather. RISK-OFF means investors are sheltering in cash rather than risk assets. ‘Realized volatility’ is a thermometer for how wildly prices swing — under 20 is calm, above 40 is panic territory. The ‘crash gate’ is our system’s traffic light: when the Korean market falls too fast, it turns red and the system stops buying on its own, then reopens automatically when conditions settle. (Note: the regime diagnosis text is produced in Korean by the engine.)

🎯 System Watchlist

Sectors in focus: Consumer Discretionary 7 names · Health Care 6 names · Financials 6 names · Technology 5 names · Communication Services 2 names

Name Mkt Sector Style Score Target Stop Status
HSIC US Health Care Swing 100 +11.2% -5.6% Watching
ZBRA US Technology Swing 100 +20.0% -10.0% Watching
CINF US Financials Swing 100 +19.0% -9.5% Watching
PFG US Financials Swing 100 +15.6% -7.8% Watching
NWSA US Communication Services Swing 100 +18.3% -9.1% Watching
SBUX US Consumer Discretionary Swing 100 +17.6% -8.8% Watching
DXCM US Health Care Swing 100 +20.0% -10.0% Watching
CDW US Technology Swing 100 +20.0% -10.0% Watching
GEN US Technology Swing 100 +20.0% -10.0% Watching
STLD US Materials Swing 90 +20.0% -10.0% Watching
CHTR US Communication Services Squeeze 90 +20.0% -10.0% Watching
KMB US Consumer Staples Swing 90 +19.6% -9.8% Watching
💡 Korea Market 101
A scanner screens hundreds of Korean and US stocks daily and scores them on technical and fundamental criteria (max 100). ‘Target’ is the expected gain if the setup works; ‘Stop’ is the pre-committed maximum loss if it doesn’t — the system always defines the exit before entering. ‘Swing’ rides multi-day trends; ‘Squeeze’ waits for dormant stocks to break out. ‘Watching’ means signal registered but not bought; ‘Held’ means the system actually owns it. ⚠️ This is an algorithm’s candidate list, not investment advice. Korean stock names are shown in Korean.

🤖 System Trading Status

No positions closed today.

5 open positions — average unrealized P&L +2.96% (4 winning / 1 losing)

Open positions P&L chart

💡 Korea Market 101
‘Closed’ = sold; ‘open’ = still held. Unrealized P&L assumes selling right now — nothing is locked in until sold. ‘STOP’ means the pre-set safety line was hit and the system sold automatically; ‘ROTATION_EXIT’ means it swapped into a stronger candidate. The one rule this system lives by: cut losses early and automatically, let winners run.

Published 2026-08-22 07:16 KST
For information only — not investment advice or a solicitation. All investment decisions are your own responsibility.

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