06:35 AM EDT, 06/18/2025 (MT Newswires) -- The most-talked-about stocks in the Reddit ( RDDT ) subforum Wallstreetbets were mostly higher hours before Wednesday's opening bell.

Advanced Micro Devices ( AMD ) advanced by 1.8% in pre-bell hours, following a 0.6% increase in the previous session.

CoreWeave ( CRWV ) rose by 1.3% premarket, after an 8.5% increase from Tuesday's session.

Palantir Technologies ( PLTR ) was 0.8% higher pre-bell, after closing Tuesday with a 2.3% fall.

Tesla (TSLA) was up 0.7% in premarket activity, swinging from a 3.9% decline at Tuesday's close.

Apple ( AAPL ) advanced by 0.4% pre-bell, following a 1.4% drop in the previous session.

Nvidia ( NVDA ) was 0.2% higher hours before market open, after closing Tuesday with a 0.4% decrease.

Reddit ( RDDT ) declined by 0.7% premarket, swinging from a 6.1% increase at Tuesday's close.

UnitedHealth Group ( UNH ) was down 0.5% pre-bell, reversing a 0.4% increase from the previous session.