DraftKings (DKNG): Shares tumbled premarket after the betting company cut its outlook to reflect the climbing costs of growing its prediction-markets business.

Airbnb (ABNB): The short-term rental company raised its outlook after demand picked up in the third quarter. Shares surged over 10% premarket.

Nvidia (NVDA), AMD (AMD), Intel (INTC), Broadcom (AVGO): Chipmakers are rebounding premarket after yesterday's tech selloff.

CoreWeave (CRWV), Iren (IREN), Nebius (NBIS): So are neoclouds, with Iren leading the way with an 18% jump.

GE Vernova (GEV), Vertiv (VRT), Eaton (ETN): Companies that serve up power to data centers also gained.