Social Buzz: Wallstreetbets Stocks Fall Pre-Bell Monday; Nebius Group, AMD to Open Lower

06:37 AM EDT, 09/14/2026 (MT Newswires) -- The most-talked-about stocks in the Reddit subforum Wallstreetbets were declining hours before Monday's opening bell. Nebius Group (NBIS) was down 7.1% premarket, after a 1.6% decline from the previous session. Advanced Micro Devices (AMD) was 5.45% lower pre-bell, reversing a 2.5% increase from Friday's session. Sandisk (SNDK) declined by 5.2% in premarket activity, following a 3.5% fall at Friday's close. Micron Technology (MU) was 5.2% lower in pre-bell hours, after a 4.9% fall from the previous session Oracle (ORCL) fell 3.5% premarket, reversing a marginal increase at Friday's close. Oracle said its Executive Chair and Chief Technology Officer Larry Ellison has canceled his plan to sell the company's shares. Nvidia (NVDA) was 3% lower hours before market open, following a slight decline from Friday's session. Alamos Gold (AGI) was down 2.6% pre-bell, offsetting a 0.7% increase at Friday's close. Reddit (RDDT) declined by 1.1% premarket, swinging from a 1.6% increase at Friday's close.