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

DTE Energy (DTE) was up 0.1% pre-bell, following a 1.6% increase at Tuesday's close.

SpaceX (SPCX) was up 0.1% premarket, after a 6.8% fall from the previous session.

Sandisk (SNDK) was nearly 4% lower in pre-bell activity, following a 7.3% decline from Tuesday's session.

Nebius Group (NBIS) fell more than 4% premarket, after closing Tuesday with an 8.4% decline.

Micron Technology (MU) declined by 3.6% hours before market open, after a 4.7% fall from the previous session.

Meta Platforms (META) was 1.7% lower in premarket activity, following a 2.6% rise from Tuesday's session.

Microsoft (MSFT) was down 1.5% premarket, reversing a 0.5% increase at Tuesday's close.

Nvidia (NVDA) fell by 1.5% pre-bell, swinging from a 0.7% increase at Tuesday's close.