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

Tesla (TSLA) advanced by 2.4% in premarket hours, swinging from a 1.7% decline at Monday's close.

Antero Midstream (AM) rose by 2.2% in pre-bell activity, following a 0.3% increase from the previous session.

DTE Energy (DTE) was 0.5% higher premarket, following a 1.2% rise at Monday's close.

Boyd Gaming (BYD) advanced by 0.3% pre-bell, swinging from a 0.6% decline at Monday's close.

Nvidia (NVDA) was up 0.2% hours before before market open, swinging from a 1.2% fall at Monday's close.

Lexicon Pharmaceuticals (LXRX) declined by 1.8% premarket, after closing Monday with a 19.2% fall.

Apple (AAPL) was down 1.1% in pre-bell hours, swinging from a 1.9% increase at Monday's close.

JPMorgan Chase (JPM) was 0.6% lower premarket, swinging from a 1% rise at Monday's close.