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

Rocket Lab (RKLB) was 0.7% higher premarket, following a 3.6% rise from Monday's session.

Alphabet (GOOG) advanced by 0.7% pre-bell, after closing Monday with a 1.1% rise.

Nvidia (NVDA) was up 0.4% in premarket hours, following a 0.1% increase from the previous session.

Microsoft (MSFT) was down 0.4% in pre-bell activity, after a 0.4% decline from the previous session.

Nebius Group (NBIS) fell by 0.4% hours before market open, after a 9.6% rise from Monday's session.

Amazon.com (AMZN) declined by 0.2% in premarket activity, after closing Monday with a 0.4% decline.

Tesla (TSLA) was down 0.1% pre-bell, swinging from a 0.9% increase at Monday's close.

Meta Platforms (META) was 0.1% lower premarket, after a 1.7% fall at Monday's close.