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

Micron Technology (MU) rose by 7.5% premarket, reversing a 1.4% decline from the previous session.

Space Exploration Technologies (SPCX) advanced by 5.6% pre-bell, after a 19.2% rise from Friday's session. Space Exploration Technologies, known as SpaceX, debuted on Nasdaq Friday.

Sandisk (SNDK) was 5.5% higher in premarket activity, after a 5.2% rise from the previous session.

AST SpaceMobile (ASTS) rose by 4.7% pre-bell, swinging from a 15.5% fall at Friday's close.

Rocket Lab (RKLB) advanced by 4.2% premarket, after closing Friday with a 10.8% decline.

Nvidia (NVDA) was 2.1% higher in pre-bell activity, after a -/2% increase from the previous session.

Microsoft (MSFT) was up 1.8% hours before market open, following a 0.1% increase at Friday's close.

Bucking the trend, DTE Energy (DTE) was 0.1% lower pre-bell, swinging from a 1.1% increase at Friday's close.