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September 4, 2026 market-reference ETFs were mixed: QQQ, which tracks the Nasdaq-100, rose 0.18%, while SPY, which tracks the S&P 500, fell 0.39%, and DIA, which tracks the Dow Jones Industrial Average, declined 0.53%. Nasdaq-listed breadth was positive, while New York Stock Exchange and NYSE American breadth showed more decliners than advancers.

KOSPI closed at 6,687.21, up 1.64% from the previous trading day. Advancing stocks outnumbered declining stocks on both KOSPI and KOSDAQ, while the gains and trading-volume changes of KOSDAQ stocks such as ROBOTIS and Wonik stood out.

On September 3, 2026, market-reference ETFs advanced: SPY rose 1.05%, QQQ gained 1.19%, and DIA increased 1.19%. Breadth was positive across the NYSE, NYSE American, and Nasdaq-listed stocks. Snowflake and Strategy recorded the largest gains among the selected issue stocks, while Broadcom declined on unusually heavy volume.

The KOSPI rose 0.26% to 6,579.48, but decliners outnumbered advancers. The KOSDAQ showed broad weakness, with 1,095 decliners, while POSCO International and POSCO DX rose alongside increased trading volume.

On September 2, market-reference ETFs finished higher and advancing stocks outnumbered decliners on the NYSE, NYSE American, and Nasdaq. NVIDIA and Micron gained among the session’s high-turnover companies, while Dell surged and Credo Technology fell sharply on heavy volume.

The KOSPI closed at 6,562.72 on the 2nd, down 3.99% from the previous trading day. Declining stocks greatly outnumbered advancing stocks, while Ildong Pharmaceutical and DI rose in the 16% range and Doosan Fuel Cell fell 12.20%.