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SK Hynix's record profit sends South Korea's stocks soaring

South Korea's Kospi jumped 6.8% to close at 6,023.73 on Wednesday after chipmaker SK Hynix reported a record quarterly operating profit of 83.3 trillion won ($62.8 billion), up nearly sevenfold from a year earlier on demand for AI memory chips. SK Hynix shares rose about 11%. The Federal Reserve announces its interest rate decision Wednesday afternoon; Wall Street widely expects it to hold rates steady.

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Why it matters

SK Hynix makes memory chips used in AI systems, and its results lifted other chip stocks, including Samsung in Seoul and Micron and SanDisk in U.S. premarket trading. Investors are also waiting on the Federal Reserve, which Wall Street widely expects to hold rates steady.

What to watch

The Federal Reserve announces its interest rate decision Wednesday, October 28, and Samsung Electronics reports third-quarter earnings Thursday.

Sources

Checked against 3 established news sources:

Also in this edition

Published Wednesday, October 28, 2026. Spot an error? Email [email protected]. See our corrections log and standards.

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