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Global Market: South Korean Shares Surge 6% as SK Hynix Earnings Fuel AI Chip Rally

SK hynix reported a 631% jump in third-quarter operating profit and added 60 trillion won in shareholder returns.

  • South Korean stocks opened sharply higher Wednesday, tracking overnight gains on Wall Street, as the Korea Composite Stock Price Index rose 3.26 percent to 5,822.07.
  • Before the opening bell, the world's second-largest memory chip maker reported a 631 percent operating profit spike and 327.9 percent sales surge on robust demand for AI-related semiconductors.
  • Samsung Electronics advanced 4.5 percent and Samsung Electro-Mechanics climbed 4.5 percent, while the Philadelphia Semiconductor Index jumped 3.6 percent, as market heavyweights rose across the board.
  • Square surged 4.59 percent after the chip maker announced an additional 60 trillion won in shareholder returns, lifting investor sentiment across the sector.
  • Investors remain cautious ahead of the Federal Reserve's rate decision early Thursday, awaiting signals on the future path of U.S. interest rates.
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Globes presents its first update on the state of markets around the world • And this morning: The Seoul Stock Exchange jumps by over 6%, after chipmaker SK Hynix published particularly strong financial results • The shekel weakened against the dollar by more than 1%, while the true results of the elections continue to flow in • Oil prices climb, a mixed trend in New York contracts • Also: Wall Street marks Broadcom as the main beneficiary of Ant…

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The stock market opened higher on the 28th, driven by continued anticipation for U.S.-based Antropical's IPO and the success of Meta's rights offering. This is interpreted as a recovery in investor sentiment toward the artificial intelligence (AI) value chain. SK Hynix's announcement of a large-scale shareholder return policy prior to the start of regular trading also stimulated investor sentiment. The KOSPI index rose 125.51 points (2.23%) from…

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(Seoul = Yonhap News) Reporter Kwak Yun-ah = The KOSPI index rose more than 3% in early trading on the 28th, attempting to settle in the 5,800 range.

·Seoul, Korea (the Republic of)
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South Korea's SK Hynix technology company's stock market in Seoul has increased by more than 11% since the publication of the quarterly financial report, ~ 28.10.2026, PRIM

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korean-vibe.com broke the news on Tuesday, October 27, 2026.
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