Super Micro Computer surged 15.83% at the bell while semiconductor darlings Arm and Palantir crashed…

As seen on the 24/7 Wall St. homepage on June 22, 2026.

Biggest movers · At the close
Gainers
  • SMCISuper Micro Computer$35.52+15.8%
  • COHRCoherent$424.16+8.9%
  • ONON Semiconductor$131.32+8.0%
  • FNFabrinet$615.04+7.2%
  • NVONovo Nordisk$46.05+6.6%
Losers
  • CAVACava$81.55-8.6%
  • RIVNRivian$15.16-8.3%
  • ARMArm$407.85-7.2%
  • PLTRPalantir$119.69-6.8%

Super Micro Computer surged 15.83% at the bell while semiconductor darlings Arm and Palantir crashed, signaling a sharp rotation away from Big Tech consensus picks.

Mentioned: SMCI, COHR, ON, FN, NVO, CAVA, RIVN, ARM