Money

Elon Musk subpoenas former Twitter CEO Jack Dorsey

The subpoena comes as the Tesla chief executive and social media giant are preparing to go head-to-head in a legal battle beginning Oct. 17. The litigation stems from the termination of Musk's $44 billion acquisition.

AMC APE units begin trading on Wall Street

AMC Entertainment's preferred equity units begin trading on the New York Stock Exchange as rival Cineworld, the operator of Regal Cinemas, warns of possible bankruptcy.