Shares of Petco Health and Wellness Company Inc (WOOF) are down nearly 4% in early pre-market hours on Tuesday at $26.93, a day after a blistering rally in which the stock touched a four-week high. The update comes even as Petco becomes one of the most talked-about stocks on the WallStreetBets forum.

Among other stocks popular on WallStreetbets, or "stonks" as the forum refers to them, Clean Energy Fuels Corp (CLNE) shares are up 9.4% in the pre-market hours on Tuesday. Shares of the clean fuel for the transportation sector company closed 3.43% higher at $11.17 on Monday.

ContextLogic Inc (WISH) shares are up 1.77% pre-market on Tuesday. Shares of the online e-commerce platform closed 12.7% higher at $11.27 on Monday.

AMC Entertainment Holdings Inc. (AMC) shares are down 1.2% premarket hours on Tuesday. Shares of the theater chain operator closed 15.6% higher at $57 on Monday.

Workhorse Group Inc (WKHS) is trading 1.8% higher at $15.05 at press time.