06:56 AM EDT, 03/19/2024 (MT Newswires) -- The most-talked-about stocks in the Reddit subforum Wallstreetbets were mostly lower hours before Tuesday's opening bell.

MicroStrategy ( MSTR ) fell by 9.6% in pre-bell hours, sinking further after closing Monday with a 15.7% decline.

Super Micro Computer ( SMCI ) was down 2.1% hours before the market open, still declining after a 6.4% fall from the previous session.

Advanced Micro Devices ( AMD ) declined by 2.1% premarket, after a 0.2% drop at Monday's close.

Nvidia ( NVDA ) was 0.6% lower in premarket activity, reversing a 0.7% gain from the previous session.

Alphabet (GOOG) was down 0.3% hours before the opening bell, swinging from a 4.4% increase Monday.

SoundHound AI ( SOUN ) was 3.6% higher in pre-bell hours, offsetting a portion of its 7.5% decline from the previous session. SoundHound AI ( SOUN ) said it has launched an in-vehicle voice assistant that uses a generative artificial intelligence large language model while running on the Nvidia Drive platform.

Tesla (TSLA) was up 0.4% in premarket hours, adding to its 6.3% increase from the previous session.

Taiwan Semiconductor Manufacturing ( TSM ) was 0.1% higher hours before the market open, after closing Monday with a 0.2% gain.

Price: 1363.8, Change: -138.96, Percent Change: -9.25