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

Marvell Technology (MRVL) rose by 10.9% premarket, following a 32.5% rise from the previous session.

Broadcom (AVGO) advanced by 2.2% in pre-bell activity, after closing Tuesday with a 4.7% increase.

Micron Technology (MU) was 1.9% higher pre-bell, after a 2.8% increase from Tuesday's session.

Virgin Galactic (SPCE) was up 0.7% in premarket hours, swinging from a 39% fall at Tuesday's close.

AST SpaceMobile (ASTS) fell by 4.4% hours before market open, following an 11.9% rise from the previous session.

Microsoft (MSFT) was 0.9% lower in pre-bell activity, after a 4.2% decline at Tuesday's close.

Opendoor Technologies (OPEN) was down 0.7% premarket, swinging from a 1.9% increase from the previous session.

Nvidia (NVDA) declined by 0.6% pre-bell, following a 0.7% fall from Tuesday's session.