06:36 AM EDT, 07/22/2025 (MT Newswires) -- The most-talked-about stocks in the Reddit subforum Wallstreetbets were mixed hours before Tuesday's opening bell.

Opendoor Technologies ( OPEN ) rose by 16.2% in premarket activity, following a 42.7% increase from the previous session.

Kohl's (KSS) advanced by 3.9% premarket, after an 8.8% rise from the previous session.

UnitedHealth Group ( UNH ) was up 0.1% pre-bell, after closing Monday with a 0.2% decline.

Webull ( BULL ) was 0.1% higher in premarket hours, following a 13.4% fall from Monday's session.

ReAlpha Tech ( AIRE ) fell by 49.6% hours before market open, swinging from a 347.2% rise at Monday's close. The company said it will sell nearly 14.3 million shares at $0.35 per share in a registered direct offering for expected gross proceeds of $5 million.

Rocket Lab (RKLB) was down 3% premarket, after an 8.2% fall from Monday's session.

Nvidia ( NVDA ) was 0.9% lower in pre-bell activity, following a 0.6% decline from the previous session.

Tesla (TSLA) declined by 0.4% pre-bell, following a 0.4% decline from Monday's session.