06:41 AM EDT, 04/22/2026 (MT Newswires) -- The most-talked-about stocks in the Reddit subforum Wallstreetbets were mostly higher hours before Wednesday's opening bell.

POET Technologies (POET) was up 21.3% premarket, after a 19.3% rise from Tuesday's session.

AST SpaceMobile (ASTS) was 4.1% higher in premarket activity, reversing a 1.2% decline from Tuesday's session.

Advanced Micro Devices (AMD) advanced by 1.8% premarket, following a 3.5% rise at Tuesday's close.

Microsoft (MSFT) was up 0.9% hours before market open, after a 1.5% rise from Tuesday's session.

Tesla (TSLA) was 0.8% higher in pre-bell activity, swinging from a 1.6% decline at Tuesday's close.

Nvidia (NVDA) rose by 0.5% in premarket hours, after a 1.1% fall from the previous session.

UnitedHealth Group (UNH) was down 0.3% premarket, swinging from a 7% increase at Tuesday's close.