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

Rocket Lab (RKLB) was up 4.1% in pre-bell activity, adding to the roughly 18% gain at Friday's close.

Tesla (TSLA) increased by 1% premarket, after closing 0.5% lower in the previous session.

Nvidia (NVDA) was up 1.3%, extending the gains from a 3.9% rise at Friday's close.

AST SpaceMobile (ASTS) was 4.3% higher pre-bell, after a 15% increase in the previous session.

Nebius Group (NBIS) advanced 3% premarket, following Friday's 15% gain.

Amazon.com (AMZN) advanced 0.6% before the opening bell, after closing Friday with a 0.3% rise.

Micron Technology (MU) was 2.9% higher premarket, following a 7% increase in the previous session.

Alphabet (GOOGL) gained by 0.7% premarket, following a 1.6% increase Friday.