The most-talked-about stocks in the Reddit subforum Wallstreetbets were mostly advancing hours before Friday's opening bell.

Opendoor Technologies (OPEN) rose by nearly 19% premarket, following a 0.4% increase from the previous session.

Robinhood Markets (HOOD) advanced by 1.3% in pre-bell activity, after a 0.6% increase from Thursday's session.

Reddit (RDDT) rose by 0.4% premarket, following a 0.9% decline from the previous session.

Nvidia (NVDA) was down 0.1% hours before market open, versus a slight decline at Thursday's close.

Microsoft (MSFT) was slightly higher pre-bell, after a 0.3% decline from the previous session.

Carvana (CVNA) was up 0.1% premarket, swinging from a decline of nearly 8% at Thursday's close.

Walmart (WMT) was down 0.4% premarket, after closing Thursday with a 1.4% fall.

DTE Energy (DTE) was slightly lower in pre-bell hours, swinging from a 1.7% increase from the previous session.