The most-talked-about stocks in the Reddit subforum Wallstreetbets were mostly higher hours before Wednesday's opening bell.
Super Micro Computer (SMCI) was up 2.3% premarket, following a nearly 3% increase from Tuesday's session.
Tesla (TSLA) was 1.6% higher pre-bell, after closing Tuesday with a 0.6% increase.
Nvidia (NVDA) rose by 1.4% in recent premarket activity, reversing a 0.3% decline at Tuesday's close.
Micron Technology (MU) advanced by 0.4% in pre-bell hours, after a 2.2% fall from the previous session.
Alphabet (GOOG) rose by 1.1% pre-bell, following a 3.3% decline from Tuesday's session.
Microsoft (MSFT) was up 1.3% premarket, swinging from a 2.7% decline at Tuesday's close.
Antero Midstream (AM) was 0.7% higher hours before market open, following a 1.4% increase from Tuesday's session.
DTE Energy (DTE) declined by 0.5% pre-bell, swinging from a 0.7% increase at Tuesday's close.