The Reddit user who helped fuel the surge in GameStop Corp.’s stock price this year has doubled down on his bet by exercising his call options and buying even more shares.

Cinema revenue in Japan skyrocketed to record highs in 2020, despite the coronavirus pandemic.

Nvidia Corp. shares fell after the U.K. said it will intervene in the U.S. company’s $40 billion deal for British semiconductor designer Arm Ltd. on national security grounds.