Market

On October 1, 2026, the SPDR S&P 500 ETF Trust (SPY) rose 0.18%, the Invesco QQQ Trust (QQQ) gained 0.31%, and the SPDR Dow Jones Industrial Average ETF Trust (DIA) was up 0.01%. Breadth was positive on the NYSE and NYSE American, while Nasdaq-listed stocks were more evenly split. Micron Technology and Nvidia led the high-turnover names, while Accenture and Synopsys posted the largest selected gains.

The KOSPI rose 1.95% to 6,971.35, while the 1,221 advancing KOSDAQ stocks outnumbered the 414 declining stocks. SK hynix and Samsung Electronics, leading stocks by trading value, rose, while Cosmo Robotics and DI also posted double-digit gains.

On September 30, 2026, the S&P 500-tracking SPY fell 0.21%, while the Nasdaq-100-tracking QQQ rose 0.25% and the Dow-tracking DIA declined 0.84%. Decliners outnumbered advancers across the NYSE, American Stock Exchange, and Nasdaq-listed stocks. Micron Technology and Nvidia led the selected high-turnover companies, while Apple, Eli Lilly, and Robinhood Markets were highlighted as issue stocks.

KOSPI fell 0.48% from the previous day to 6,838.04, but the number of advancing stocks slightly exceeded the number of declining stocks. KOSDAQ recorded an average change of 0.41%, with advancing stocks prevailing.

On September 29, the S&P 500-tracking SPY and Dow-tracking DIA declined, while the Nasdaq-100-tracking QQQ rose. Decliners outnumbered advancers across the NYSE, NYSE American and Nasdaq-listed stocks. Nvidia and Micron led the selected high-turnover companies, while Fair Isaac recorded the sharpest selected stock decline.

The KOSPI closed at 6,870.81, down 0.27% from the previous trading day. Declining stocks outnumbered advancing stocks, while Samsung Electronics and SK hynix ranked among the leaders in trading value. On the KOSDAQ, Semifive and HPSP posted notable gains.

On September 28, market-reference ETFs fell: SPY, which tracks the S&P 500, declined 0.74%; QQQ, which tracks the Nasdaq-100, fell 1.07%; and DIA, which tracks the Dow Jones Industrial Average, dropped 0.67%. Decliners outnumbered advancers across NYSE, American Stock Exchange and Nasdaq-listed stocks. Nvidia led selected companies by turnover, while MongoDB recorded the largest selected decline.

The KOSPI fell 2.70% to 6,889.74, but the number of advancing stocks was 599, exceeding the 254 declining stocks. Samsung Electronics and SK hynix each fell by more than 5%, while Hanwha Solutions, Korea Circuit, and LG Innotek rose.

On September 25, 2026, SPY, QQQ and DIA all gained, while advancing stocks outnumbered decliners on the NYSE and NYSE American. Nasdaq-listed breadth was also positive by count, although its average change rate was -0.17%. Micron and Nvidia led the selected high-turnover companies, while Microsoft, Meta and Akamai were selected as issue stocks.

On September 24, market-reference ETFs edged lower while decliners outnumbered advancers across the NYSE, American Stock Exchange and Nasdaq-listed stocks. META and MU ranked as the selected market leaders by turnover, while ORCL declined and AMD and INTC advanced.

On September 23, SPY, QQQ and DIA all declined, while decliners outnumbered advancers across the NYSE, NYSE American and Nasdaq-listed stocks. Micron and Meta recorded the highest turnover among the selected market leaders; Palantir rose, while Alphabet and McDonald’s fell among the selected issue stocks.

The KOSPI closed at 7,080.92, up 0.90% from the previous trading day, but decliners outnumbered advancers. The KOSDAQ traded with advancers in the majority, while Samsung Electronics and SK hynix drew attention as leading stocks by trading value.

On September 22, 2026, the S&P 500-tracking SPY slipped 0.02%, the Nasdaq-100-tracking QQQ rose 0.81%, and the Dow-tracking DIA fell 0.34%. Breadth was positive on Nasdaq and American Stock Exchange listings, while New York Stock Exchange breadth was slightly negative. Micron Technology and Sandisk ranked among the highest-turnover selected stocks.

The KOSPI closed at 7,017.91 on the 22nd, up 0.15% from the previous trading day. Advancing stocks slightly outnumbered declining stocks on the KOSPI, while declining stocks were more numerous on the KOSDAQ; some stocks, including Korea Circuit and Simmtech, posted notable gains.

On September 21, market-reference ETFs advanced, with the Nasdaq-listed stock breadth showing 2,946 advancers versus 1,762 decliners. Meta Platforms and Micron were the highest-turnover selected companies, while Intel, AMD, and Strategy posted notable price and volume activity.

KOSPI closed at 7,007.72, up 1.65% from the previous trading day, but decliners outnumbered advancers. Samsung Electronics and SK hynix rose, while Orum Therapeutics plunged on KOSDAQ and Samhyun and SFA Semicon advanced.

On September 18, 2026, the S&P 500-tracking SPY and Nasdaq-100-tracking QQQ rose, while the Dow-tracking DIA declined. Exchange breadth was mixed: decliners outnumbered advancers on the NYSE and Nasdaq, while the NYSE American showed a narrower positive average change. Nvidia and Micron were selected as market leaders; Netflix, Bloom Energy and Qualcomm were selected as issue stocks.

KOSPI closed at 6,894.23 on the 18th, up 2.66% from the previous trading day. On both KOSPI and KOSDAQ, advancing stocks outnumbered declining stocks, while trading values were recorded at 37조1,855억원 and 9조269억원, respectively.

On September 17, 2026, market-reference ETFs advanced, while breadth was positive across the NYSE, AMEX, and Nasdaq-listed stocks. Micron and Nvidia were the top selected market leaders by turnover, while AMD and Intel posted the largest gains among the selected issue stocks. CoreWeave declined on elevated volume and submitted an 8-K filing.

The KOSPI closed at 6,715.41, down 0.04% from the previous trading day, but advancing stocks outnumbered decliners, 562 to 275. On the KOSDAQ, advancing stocks also prevailed, with 1,127 advancers and 492 decliners, while the average change rate was 1.28%.