Global & Korea Equity Market Intelligence — 2026-05-23

Market Snapshot — By the Numbers

⚠️ Due to data extraction limitations from screenshots, we recommend verifying figures directly via Yahoo Finance.

Korea Market Deep Dive

KOSPI

• Recent High: 7,815.59 (May 21, +8.42% single-day jump, up over 600 points)
• 5/22 Trends: Closed with modest gains amid profit-taking and a wait-and-see approach ahead of the Memorial Day holiday next week.
• Foreign Investor Flow: Foreigners remained net sellers for 12 consecutive sessions, totaling 46.3 trillion won, with 83% of this activity concentrated on Samsung Electronics and SK Hynix.
• KRW/USD Exchange Rate: Approaching the 1,520 won level, which continues to accelerate foreign exits.

KOSDAQ

• 5/22 Trends: Strong buying triggered a buy sidecar, temporarily halting program trading due to the rapid acceleration in gains.
• Leading Sectors: Strength centered on small-to-mid-cap semiconductor and AI-related stocks.

Top Movers (Korea)

Top Gainers

• Samsung Electronics (005930) (+3.88%, 5/18): Expectations for AI memory demand strengthened after Nvidia’s earnings; the labor agreement also provided a boost. Korea Investment & Securities maintains a target price of 570,000 won.
• SK Hynix (000660) (+1.15%, 5/18): HBM demand and AI memory cycle optimism. Nomura sets a 4 million won target; Korea Investment & Securities sets a 3.8 million won target.
• KOSDAQ (General) (5/22): Broad strength leading to sidecar triggers, led by AI-linked small-cap stocks.

Laggards / Weakness

• Samsung Electronics (Foreign perspective) (as of 5/23): Foreigners have been net sellers for 12 straight days, with Samsung and SK Hynix accounting for 83% of the total foreign net selling volume.
• U.S. Big Tech (via Korean RIA accounts): Investors are rotating funds out of U.S. big tech and leveraged ETFs into Samsung and SK Hynix; RIA account balances reach 1.94 trillion won.
• Stocks correcting from early May highs: The KOSPI has pulled back slightly from the 7,815 level as some investors locked in profits.

Sector Flows

• Semiconductors: Nvidia’s Q1 revenue growth (+85% YoY) calmed AI bubble fears and reignited expectations for a rally in Samsung Electronics and SK Hynix. Nomura raised its KOSPI target to 10,000–11,000, citing an AI memory supercycle, with targets of 590,000 won for Samsung and 4 million won for SK Hynix. Data shows 24–25% of Samsung clients continued buying even as the stock neared all-time highs.

• Battery/EV: No new data available within the last 24 hours. The market’s focus on semiconductors has left this sector quiet.
• Bio/Healthcare: No major news to report in the last 24 hours.
• Domestic Retail Rotation: According to Samsung Securities, funds are flowing from U.S. big tech and leveraged ETFs into Samsung and SK Hynix. RIA account balances hit 1.94 trillion won, following over 5 trillion won in Samsung purchases in March alone.

Global Drivers Behind Today's Tape

• Nvidia Q1 Earnings (Key Driver): +85% YoY revenue growth dismissed AI bubble worries. While the stock dipped slightly post-announcement, market sentiment overall improved, helping the S&P 500 stretch its winning streak to eight weeks.

• U.S. Bond Yields & Dow Highs: The Dow climbed 294 points to a record on 5/22. Treasury yields retreated from recent peaks, favoring small-cap stocks (Russell 2000). The S&P 500 achieved its longest weekly winning streak since 2023.

• U.S.-Iran Peace Talks: Reports of a potential draft agreement caused oil prices to tumble, easing inflation concerns, though the legitimacy of these reports remains unconfirmed.

• Treasury Yield Pressure: On 5/19, the 10-year Treasury yield hit its highest level since early last year, triggering a three-day slide for the S&P 500 and Nasdaq; interest rate trends remain a critical variable.

• KRW/USD at 1,520: This level is accelerating foreign net selling, creating a bifurcated market of headline strength and structural foreign outflows.

Asia Read-Through

With U.S. markets closing on 5/22 at record Dow highs and an 8-week S&P 500 winning streak, the 5/23 Asian session is poised for a positive start. Nvidia’s solid earnings reinforce the AI memory narrative for Samsung and SK Hynix, likely boosting the KOSPI and KOSDAQ semiconductor sectors. However, as long as the KRW/USD exchange rate lingers near 1,520, foreign selling pressure will persist. Traders should also be cautious of the short-term overheating signaled by the KOSDAQ's buy sidecar on 5/22.

What to Watch Next

• Economic Calendar: Check local Korean holiday schedules (trading days may be limited early next week). U.S. markets reopen after Memorial Day on May 26.
• Earnings/Corporate News: Follow-up on SpaceX IPO filings; market reaction to Nvidia’s future guidance.
• Key Technical Levels: Watch for a re-test of the 8,000 level on the KOSPI. The index is currently undergoing a minor correction after surging to 7,815 on 5/21.
• Macro Watch: KRW/USD 1,520 (balance point between foreign selling and retail buying); U.S. 10-year Treasury yields; updated AI demand data for Nvidia.

Reader Action Items

• Domestic Retail Investors: Samsung and SK Hynix are currently caught between opposing pressures (foreign selling vs. individual/institutional buying). While Nvidia’s results provide a positive backdrop, foreign outflows in a 1,520-won environment could heighten short-term volatility. The KOSDAQ sidecar is a warning sign of overheating; consider scaling into positions rather than chasing rallies.

• Global Investors with Korea Exposure: It is time to re-evaluate KRW hedging costs versus KOSPI gains. The 46.3 trillion won in foreign net selling over 12 days is largely driven by rising hedging costs. Monitor the spread between ADRs (KB Financial, POSCO, etc.) and locally listed stocks.

• Contrarian View: While the market consensus focuses on "Nvidia-led earnings upgrades for Samsung and SK Hynix," do not overlook the impact of rising costs following Samsung’s labor agreement. Also, remember that Nomura’s 11,000 KOSPI target assumes a 40%+ upside from the current 7,800 level. Watch for signs that the 12-day foreign sell-off could be a structural shift rather than mere hedging demand.