AI infrastructure and energy stocks surged over 10% at the close as investors bet on the hardware powering…

As seen on the 24/7 Wall St. homepage on June 18, 2026.

Biggest movers · At the close
Gainers
  • SNDKSanDisk$2,175.99+11.1%
  • SMRNuScale Power$11.46+10.8%
  • ALABAstera Labs$414.04+10.5%
  • CIFRCipher Mining$29.11+10.5%
  • HIMSHims & Hers$35.22+10.4%
Losers
  • AAOIApplied Optoelectronics$159.54-4.7%
  • DOCNDigitalOcean$171.24-3.7%
  • WDAYWorkday$117.64-3.4%
  • AIC3.ai$10.03-2.5%
  • PFEPfizer$25.3-2.4%

AI infrastructure and energy stocks surged over 10% at the close as investors bet on the hardware powering the artificial intelligence boom.

Mentioned: SNDK, SMR, ALAB, CIFR, HIMS, AAOI, DOCN, WDAY

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