06:40 AM EDT, 06/30/2025 (MT Newswires) -- The most-talked-about stocks in the Reddit subforum Wallstreetbets were mostly higher hours before Monday's opening bell.

Palantir Technologies ( PLTR ) rose by 5.1% in premarket activity, swinging from a 10.6% decline at Friday's close.

Robinhood Markets ( HOOD ) was up 2.8% in pre-bell hours, reversing a 1.8% decline from Friday's session.

Alphabet (GOOG) advanced by 1.4% pre-bell, after a 2.2% increase at Friday's close.

Advanced Micro Devices ( AMD ) was 1.1% higher in premarket activity, following a 0.1% increase from Friday's session.

Nvidia ( NVDA ) was up 0.7% in premarket hours, following a 1.7% increase from the previous session.

UnitedHealth Group ( UNH ) was 0.3% higher hours before market open, after a 2.1% increase from the previous session.

Circle Internet Group ( CRCL ) was down 3.2% premarket, following a 15.5% fall at Friday's close.

Tesla (TSLA) declined by 1.1% pre-bell, after closing Friday with a 1.4% decline.