The most-talked-about stocks in the Reddit subforum Wallstreetbets were higher hours before Wednesday's opening bell.

Advanced Micro Devices (AMD) rose by 5.1% in recent premarket activity, swinging from a 2.7% decline at Tuesday's close.

Oklo (OKLO) advanced by 3.2% pre-bell, after closing Tuesday with a 6.6% fall.

Novo Nordisk (NVO) was 1.6% higher in recent pre-bell activity, following a nearly 7% rise from Tuesday's session.

Nvidia (NVDA) was up 1.2% hours before market open, swinging from a nearly 3% fall from the previous session.

CoreWeave (CRWV) rose by less than 1% in recent premarket activity, following a 16.3% fall at Tuesday's close.

Meta Platforms (META) advanced by 0.3% pre-bell, after closing Tuesday with a 0.7% fall.

Tesla (TSLA) was up 0.3% in premarket hours, swinging from a 1.3% fall at Tuesday's close.

Nebius Group (NBIS) was 0.1% higher premarket, following a 7% decline at Tuesday's close.