KLA is trading 4.44% up at $209.38 in pre-market, primarily on sector strength after Super Micro Computer issued much stronger-than-expected earnings and revenue guidance, lifting AI-infrastructure and semiconductor sentiment.

  • The move continues KLA’s August 11 gain of 4.01%.
  • KLA’s July 28 earnings beat and positive outlook provide supportive background.
  • No fresh KLA announcement clearly explains the August 12 pre-market move.