KLA (NASDAQ:KLAC – Get Free Report) updated its first quarter 2027 earnings guidance on Tuesday morning. KLA Stock Up 9.1%Shares of NASDAQ KLAC traded up $15.47 during trading on Thursday, reaching $185.66. Read Our Latest Stock Report on KLAInsiders Place Their BetsIn other KLA news, EVP Mary Beth Wilkinson sold 14,392 shares of KLA stock in a transaction dated Wednesday, July 1st. KLA Stock Heads for Worst Month Since 1987Despite the earnings beat and raised outlook, investors viewed the guidance as a relatively narrow “beat and raise” because expectations were exceptionally high. Semiconductor shares sold off amid a jump in oil prices tied to renewed U.S.-Iran tensions and uncertainty surrounding the Federal Reserve’s rate decision.