Social Buzz: Wallstreetbets Stocks Mixed Pre-Bell Monday; Sellas to Rise, Applied Optoelectronics to Fall

06:35 AM EDT, 08/24/2026 (MT Newswires) -- The most-talked-about stocks in the Reddit subforum Wallstreetbets were mixed hours before Monday's opening bell. Sellas Life Sciences Group (SLS) advanced by 1.6% in pre-bell activity, following a 15% rise at Friday's close. DTE Energy (DTE) was up 1.2% premarket, swinging from a 2.1% decline in the previous session. Strategy (MSTR) was 0.8% higher hours before market open, after closing Friday with a 6.1% increase. Nvidia (NVDA) was up 0.1% premarket, after a 1% drop in the previous session. Applied Optoelectronics (AAOI) was down 13% pre-bell, following a 3.3% fall at Friday's close. Sandisk (SNDK) fell by 5% in premarket activity, after a 0.3% decline in the previous session. SpaceX (SPCX) was 2% lower in pre-bell hours, swinging from a 2.2% increase at Friday's close. Micron Technology (MU) declined by 3.4% pre-bell, following a 0.8% fall in the previous session.