Check out which companies are making headlines after the bell Tuesday:
Activision Blizzard - The game publisher tallied third-quarter earnings per share of 23 cents on $1.17 billion in revenue, compared to expected EPS of 13 cents on sales of $1.01 billion. Its shares climbed in after-hours trading.
FireEye - The cybersecurity supplier reported a third-quarter earnings per share loss of 51 cents on $114 million in revenue, compared to an expected EPS loss of 55 cents on $116 million in sales. It also lowered its guidance. Its shares fell hard in heavy volume in after-hours trading.
Potbelly - The sandwich-shop operator reported third-quarter adjusted earnings per share of 9 cents on $85 million in revenue, compared to estimates of an EPS of 7 cents on $84 million in sales. Shares gained in after-hours trading.