The most-talked-about stocks in the Reddit subforum Wallstreetbets were declining hours before Monday's opening bell.

Strategy (MSTR) was down 7.7% before market open, reversing a 4.6% rise from the previous session.

Robinhood Markets (HOOD) was down 2.9% pre-bell following a 1.7% fall at Friday's close.

Tesla (TSLA) was 2.4% lower premarket, swinging from a 3.3% increase at Friday's close.

Micron Technology (MU) was down 2.2% premarket after a 4.8% fall from Friday's session.

Nvidia (NVDA) was down 2% in pre-bell hours following a 0.7% fall from the previous session.

Sandisk (SNDK) was 0.9% lower pre-bell, swinging from a 6.9% increase at Friday's close.

Microsoft (MSFT) was down 0.7% in premarket hours following a nearly 0.8% decrease from the previous session.

Palantir Technologies (PLTR) declined by 0.3% in pre-bell activity after closing Friday with a 3.5% fall.