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

Beyond Meat (BYND) advanced by 0.8% in premarket hours, after closing Tuesday with a 4.3% decline.

Tesla (TSLA) was 0.9% higher premarket, following a 5.2% decline at Tuesday's close.

Meta Platforms (META) was up 0.2% pre-bell, swinging from a 1.6% decline at Tuesday's close.

Super Micro Computer (SMCI) was 7.6% lower in pre-bell activity, after a 6.6% fall from the previous session. Super Micro Computer reported declines in fiscal Q1 adjusted net income and net sales.

Advanced Micro Devices (AMD) declined by nearly 5% hours before market open, following a 3.7% fall from the previous session.

Palantir Technologies (PLTR) fell by 2.1% in premarket activity, after closing Tuesday with a 7.9% decline.

Nvidia (NVDA) was down 0.7% pre-bell, after a 4% decline from the previous session.

Reddit (RDDT) was 0.1% lower premarket, following an 8.4% fall at Tuesday's close.