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

Snowflake (SNOW) advanced by 37% pre-bell, reversing a 1.3% decline from the previous session. Snowflake reported higher fiscal Q1 adjusted net income and revenue, and raised its fiscal 2027 product revenue outlook.

Corsair Gaming (CRSR) rose by more than 17% in premarket activity, after closing Wednesday with a 21.4% increase.

Nebius Group (NBIS) was 11.2% higher in pre-bell hours, following a 0.2% increase at Wednesday's close.

Microsoft (MSFT) was up 1% premarket, reversing a 0.8% decline from the previous session.

AST SpaceMobile (ASTS) declined by 3.5% pre-bell, after an 8.3% increase from Wednesday's session.

Micron Technology (MU) fell by 2.1% hours before market open, swinging from a 3.6% increase at Wednesday's close.

Nvidia (NVDA) was down 0.8% premarket, following a 1.1% decline from the previous session.

Meta Platforms (META) was 0.1% lower pre-bell, swinging from a 3.7% increase at Wednesday's close.