Stocks moving in after-hours: GameStop, Nike

These are the stocks moving after the bell on Tuesday, March 21.

GameStop (GME)

GameStop shares soared more than 30% in after hours. The video game retailer posted a surprise fourth quarter adjusted profit of 16 cents per share. Wall Street analysts had been expecting a loss of 15 cents.

Revenue for the company's latest quarter came in at $2.226 billion, exceeding estimates. Short interest in the flagship meme stock is about 21% of the float.

"This is really a momentum stock," Ihor Dusankiwsky, managing director at S3 Partners, told Yahoo Finance Live on Tuesday. "We should see some big short covering tomorrow."