Kraken, one of the world's largest cryptocurrency exchanges, was sued on Monday by the U.S. Securities and Exchange Commission, which accused it of illegally operating as a securities exchange without first registering with the regulator.

Microsoft on Tuesday signed a 10-year licensing deal to bring Activision's Call of Duty franchise to cloud gaming provider Boosteroid's platform, a move partly aimed at allaying competition concerns over its Activision acquisition.

The European Commission on Monday said it has warned Facebook parent company Meta that it is breaching EU antitrust laws by distorting competition in markets for online classified advertising and abusing its dominant position.