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

IREN (IREN) rose by 4.9% premarket, reversing a 1.5% fall from Friday's session.

AST SpaceMobile (ASTS) advanced by 2.6% pre-bell, swinging from a 10.5% fall at Friday's close.

SpaceX (SPCX) was 0.4% higher in premarket hours, after closing Friday with a 1.3% rise.

Energy Transfer (ET) advanced by 0.2% pre-bell, swinging from a 1% fall at Friday's close.

Nvidia (NVDA) was up 0.1% in premarket activity, following a 0.5% decline from Friday's session.

Micron Technology (MU) was down 2.2% hours before market open, after a 0.7% decline from the previous session.

Sandisk (SNDK) was 1.9% lower premarket, after closing Friday with a 1.7% fall.

Advanced Micro Devices (AMD) fell by 0.8% in pre-bell hours, following a 2% decline from Friday's session.