06:31 AM EDT, 05/18/2026 (MT Newswires) -- The most talked-about stocks in the Reddit subforum Wallstreetbets were mostly higher in the hours before Monday's opening bell.

POET Technologies (POET) advanced by 9.1% pre-bell, swinging from a 22.4% fall at Friday's close.

Rocket Lab (RKLB) was up 3.6% premarket, following a 5.9% decline in the previous session.

ServiceNow (NOW) rose by 3% in pre-bell activity, after a 5.1% increase from Friday's session. ServiceNow and Experian launched a multi-year partnership on autonomous AI agents across various platforms, the companies said

Micron Technology (MU) was up 1.4% premarket, swinging from a 6.6% fall at Friday's close.

Sandisk (SNDK) advanced by 0.8% pre-bell, following a 1.8% increase from Friday's session.

Nvidia (NVDA) was 0.7% higher hours before market open, after a 4.4% decline from the previous session.

Advanced Micro Devices (AMD) was up 0.2% premarket, following a 5.7% fall from Friday's session.

Microsoft (MSFT) was down 0.6% pre-bell, swinging from a 3.1% increase at Friday's close.