Ad revenue, which makes up the bulk of the social-media company's top line, jumped 75% in the fourth quarter, helping overall ...

Asian equities sank again Friday as a tech rout that battered Wall Street for the third day in a row showed no sign of letting up amid growing unease about the hundreds of billions splashed out on ...

Futures pared losses while bitcoin bounced slightly as Amazon fell on huge capital spending after the stock market broke key levels.