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

Boeing (BA) shares retreated nearly 4% in pre-bell hours, backtracking from a 0.2% gain at Friday's close.

Tesla (TSLA) stock retreated 1.8% before the markets opened on Monday, adding to losses from Friday's nearly 5% closing decrease.

Nvidia (NVDA) retreated 0.6% in early premarket hours, continuing from a 2% decrease at Friday's close.

Rigetti Computing (RGTI) shares were down 6.1% premarket, partially reversing gains from the more-than-10% rise in the prior session.

KULR Technology Group (KULR) shares were down 4.3% premarket, still declining after closing Friday down 2.9%.

MicroStrategy (MSTR) stock retreated 2.4%, extending the 3.2% loss from the previous session.

Alphabet (GOOG) stock was down 0.2% in pre-bell activity after closing Friday with a decline of 1.5%.

Bucking the trend, Advanced Micro Devices (AMD) shares advanced 0.3% in early premarket activity, adding to the 0.1% gain from the market close on Friday.