The surprise release of a breakthrough artificial-intelligence model from China intensified a selloff in chip stocks on Friday, fueling concerns about competition in AI and massive corporate spending that underpins its build-out. The anxiety pushed
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SK Hynix’s historic U.S. trading debut helped investors regain their appetite for the AI trade. American depositary receipts of SK Hynix 000660 -0.27%decrease; down pointing triangle soared 13% Friday as the South Korean chip
