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

Sandisk (SNDK) fell by 3% pre-bell, following a 5.5% rise at Monday's close.

Micron Technology (MU) declined by 1.8% hours before market open, after a 2.8% increase from the previous session.

Tesla (TSLA) was 1.1% lower premarket, swinging from a 5.5% increase at Monday's close.

Nvidia (NVDA) declined by 1.2% in pre-bell activity, after a 1.5% rise from Monday's session.

Meta Platforms (META) was 0.9% lower premarket, after closing Monday with a 1% decline.

Amazon.com (AMZN) was down 0.8% in premarket hours, following a 2.5% fall from the previous session.

Alphabet (GOOG) fell by 0.5% pre-bell, after closing Monday with a 2.2% decline.

DTE Energy (DTE) declined by 0.3% in premarket activity, after a 0.2% decline at Monday's close.