Some of the largest premarket stock movers include BioNTech, Five Below, and Lululemon.

Check out the companies making headlines before the bell:

BioNTech's shares increased by 5.9% in the premarket following the release of better-than-expected revenue and profit for the fourth quarter. Additionally, the company restated its prior vaccine revenue guidance for 2022.

The mixed quarterly report caused a 3.4% decline in premarket trading of the discount retailer's stock. Despite beating earnings estimates by a penny with $2.49 per share, both revenue and comparable sales fell short of analyst forecasts.

After reporting lower-than-expected revenue for its latest quarter, RH fell 2.8% in premarket trading. However, its profit came in slightly above Wall Street forecasts, and the company also announced a 3-for-1 stock split.

Despite a quarterly revenue miss, Lululemon's premarket action saw a 7.4% increase. The athletic apparel company reported an adjusted quarterly profit of $3.37 per share, 9 cents above estimates, and issued optimistic guidance for 2022. Additionally, Lululemon announced a $1 billion share buyback program.

Micron reported an adjusted quarterly profit of $2.14 per share, 17 cents above estimates. The computer chip maker also reported better-than-expected revenue as data center and smartphone chip sales showed strong growth. Micron issued an upbeat revenue forecast for the current quarter, and the stock jumped 4.1% in the premarket.

Chewy's stock price dropped by 13.5% in premarket trading after the company missed its top and bottom line expectations for the latest quarter. The pet products seller reported a loss of 15 cents per share, which was wider than the 8-cent loss that analysts had predicted. This was due to rising labor costs and shrinking profit margins.

After announcing a new $10 billion share buyback program, Norfolk Southern's stock price increased by 2.1% in premarket trading.

Sandeep Mathrani, the CEO of WeWork, has assumed the role of chairman at the office-sharing company. This appointment fills the void left by former Chairman Marcelo Claure, who departed earlier this year. WeWork's stock price increased by 3% in the premarket.

After Apollo announced that it couldn't agree with Pearson on a possible takeover bid and wouldn't make an offer, Pearson's stock price dropped by 7.1% in the premarket.

The furniture and home decor retailer's stock price dropped by 4.5% in premarket trading after Loop Capital changed its recommendation from "hold" to "sell," citing the potential negative effects of Fed tightening and the conclusion of Covid-related stimulus.