06:39 AM EDT, 07/15/2025 (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 10% pre-bell, after closing Monday with a 15.6% increase.

Nvidia ( NVDA ) was up 4.9% premarket, reversing a 0.5% decline from the previous session.

Advanced Micro Devices ( AMD ) was 4.6% higher pre-bell, reversing a 0.1% decline at Monday's close.

Rocket Lab (RKLB) advanced by 1.2% in premarket hours, following a 10.7% rise at Monday's close.

Tesla (TSLA) was up 0.2% hours before market open, after a 1.1% increase from Monday's session.

Strategy (MSTR) declined by 2% in pre-bell activity, swinging from a 3.8% increase at Monday's close.

Robinhood Markets ( HOOD ) was down 0.8% premarket, following a 1.7% from the previous session.

Palantir Technologies ( PLTR ) was 0.3% lower in pre-bell activity, swinging from a 5% rise at Monday's close.