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

RTX (RTX) was 6.7% higher in premarket activity, after a 2.5% rise from Friday's session.

Lockheed Martin (LMT) rose by 6.5% pre-bell, following a 2.6% increase at Friday's close.

Palantir Technologies (PLTR) advanced by 3.8% hours before market open, after closing Friday with a 0.9% rise.

Antero Midstream (AM) was up 1.8% premarket, after a 0.5% increase from the previous session.

Tesla (TSLA) declined by 2.4% pre-bell, after a 1.5% fall from Friday's session.

AST SpaceMobile (ASTS) fell by 3% in pre-bell activity, following a 7.7% fall at Friday's close.

Nvidia (NVDA) was down 0.9% premarket, after a 4.2% decline from the previous session.

Microsoft (MSFT) declined by 0.6% in pre-bell hours, after closing Friday with a 2.2% fall.