KLA Corporation (KLAC) Stock After Hours (Dec. 12, 2025): Why Shares Fell 4% and What to Know Before the Next Market Open
KLA Corporation (NASDAQ: KLAC ) finished Friday’s session ( December 12, 2025 ) sharply lower, then stabilized in extended trading “after the bell” as investors digested a broad tech/semiconductor selloff tied to renewed AI-trade jitters and rising Treasury yields. Here’s