Palantir's 29% close pulled the entire AI complex with it, from Arm to the optical names supplying the data…

As seen on the 24/7 Wall St. homepage on August 4, 2026.

Biggest movers · At the close
Gainers
  • PLTRPalantir$162.55+29.4%
  • AAOIApplied Optoelectronics$132.64+20.4%
  • ARMArm$280.61+17.4%
  • FNFabrinet$534.46+17.2%
  • COHRCoherent$330.85+14.8%
Losers
  • BRKRBruker$51.17-20.4%
  • VERXVertex$11.74-12.4%
  • CIFRCipher Mining$21.25-12.1%
  • AMCAMC Entertainment$2.63-7.7%
  • NVONovo Nordisk$44.09-6.4%

Palantir's 29% close pulled the entire AI complex with it, from Arm to the optical names supplying the data centers. Everything outside that trade got sold, with Bruker down 20% and Novo Nordisk sliding again.

Mentioned: PLTR, AAOI, ARM, FN, COHR, BRKR, CIFR, NVO