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Samsung Shares Surge 5% Amid Reports of Clearing Nvidia Quality Test Report; South Korea's Kospi Hits Record High

Samsung overcame heat issues to pass Nvidia's tests, enabling supply of 12-layer HBM3E chips for AI accelerators and boosting its stock to a yearly high.

  • Samsung Electronics shares surged more than 5% on September 22 after reports it cleared Nvidia's qualification tests for its 12-layer HBM3E memory chips.
  • This breakthrough follows prior delays and pressure from competitors SK Hynix and Micron, who had already secured Nvidia approval earlier this year.
  • In February 2024, Samsung completed the creation of its HBM3E memory and started delivering units to AMD in June, while also placing orders for advanced chipmaking equipment in March to enhance production yields.
  • Goldman Sachs analyst Giuni Lee noted that if this is verified, it would strongly suggest the company meets top-tier requirements within the HBM sector.
  • The approval and rising demand boosted Samsung shares by about 20% this month and helped push South Korea's Kospi to a record high of 3,482.25.
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Bloomberg broke the news in United States on Monday, September 22, 2025.
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