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

Trump Media & Technology Group (DJT) shares were up over 12% in premarket hours, extending gains after a nearly 22% increase at Monday's close.

MicroStrategy (MSTR) stock was 5% higher pre-bell following a 9% increase from the previous session.

Oklo (OKLO) shares were up 1.9% premarket, adding to a 28% rise from the previous session.

Advanced Micro Devices (AMD) stock was 1.1% higher in pre-bell hours following a 2.4% increase at Monday's close.

Alphabet (GOOG, GOOGL) shares advanced 0.5% in premarket activity after closing Monday with a 0.8% increase.

Nvidia (NVDA) shares were down 0.5% pre-bell following a 0.7% decline from the previous session.

Antero Midstream (AM) stock was 0.3% lower premarket after a 0.9% decline at Monday's close.

Tesla (TSLA) shares were marginally higher hours before market open after closing Monday with a 2.5% fall.

Price: 53.40, Change: +6.04, Percent Change: +12.75