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

Marvell Technology (MRVL) rose by more than 12% in premarket activity, reversing a 3.1% decline from the previous session. Marvell Technology reported higher fiscal Q4 adjusted earnings and revenue.

Dow (DOW) advanced by 3.3% pre-bell, after a 4.3% increase from Thursday's session.

Micron Technology (MU) fell by 1.3% hours before market open, after closing Thursday with a 0.9% decline.

Nvidia (NVDA) was down 1.1% premarket, reversing a 0.2% increase from the previous session.

Broadcom (AVGO) declined by 0.5% pre-bell, after a 4.8% increase from Thursday's session.

Tesla (TSLA) was down 0.5% in pre-bell hours, following a 0.1% decline from the previous session.

Microsoft (MSFT) was 0.2% lower in premarket activity, swinging from a 1.4% rise at Thursday's close.

AST SpaceMobile (ASTS) was down 0.1% pre-bell, following a 10.5% fall from the previous session.