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

Sandisk (SNDK) was up 7% pre-bell, after closing Wednesday with a 10.7% rise.

Micron Technology (MU) was advancing by 3.5% premarket, following a 9.9% rise from the previous session.

Robinhood Markets (HOOD) rose by 1.6% in pre-bell activity, after an 8.9% fall from Wednesday's session.

Nvidia (NVDA) was up 1% pre-bell, after a 0.8% increase from the previous session.

Reddit (RDDT) was 0.5% higher premarket, following a 7.1% decline at Wednesday's close.

Microsoft (MSFT) was up 0.5% hours before market open, swinging from a 2.2% decline from the previous session.

AST SpaceMobile (ASTS) fell by 8.1% in pre-bell hours, reversing a 0.7% increase at Wednesday's close.

AppLovin (APP) declined by 5.2% in premarket activity, after a 3.4% fall from the previous session.