The most-talked-about stocks in the Reddit subforum Wallstreetbets were mostly lower hours before Thursday's opening bell.
Sandisk (SNDK) was 2.7% lower pre-bell, following a 3.7% decline at Wednesday's close.
Micron Technology (MU) fell 2.7% premarket, after a 2.2% decline from Wednesday's session.
Meta Platforms (META) was down 2.5% hours before market open, reversing a 1% increase from the previous session.
Advanced Micro Devices (AMD) declined by 2.2% pre-bell, after a 1.5% fall from Wednesday's session.
Palantir Technologies (PLTR) was down 1.1% in pre-bell activity, swinging from a 3.7% increase at Wednesday's close.
Nvidia (NVDA) fell 1.1% premarket, after closing Wednesday with a 1.5% decline.
Alphabet (GOOGL) was 0.3% lower in premarket hours, following a 3.8% fall at Wednesday's close.
Bucking the trend, McDonald's (MCD) was up 0.2% in pre-bell hours, swinging from a 4.8% fall at Wednesday's close.