Business

Twitter shares up after hedge fund bets against Musk

Twitter shares jumped Wednesday after a hedge fund revealed it had taken a stake in the firm based on its "strong case" against Elon Musk for moving to back out of his $44 billion buyout bid.

Business

China tightens control over cybersecurity in data crackdown

Tech experts in China who find a weakness in computer security would be required to tell the government and couldn't sell that knowledge under rules further tightening the Communist Party's control over information.

Security

US agencies, companies secure networks after huge hack

U.S. government agencies and private companies rushed Monday to secure their computer networks following the disclosure of a sophisticated and long-running cyber-espionage intrusion suspected of being carried out by Russian ...

Consumer & Gadgets

Privacy missteps cast cloud over digital assistants

A series of privacy missteps in recent months has raised fresh concerns over the future of voice-controlled digital assistants, a growing market seen by some as the next frontier in computing.