Check out which companies are making headlines after the bell Tuesday:
Twitter - The social media company posted earnings that broke even, on revenue of $250 million, exceeding Wall Street estimates for a loss of 3 cents a share on sales of $241 million. Still, shares dropped in extended-hours trading as the company's net loss grew by more than $100 million in the first quarter. The company also said it expects to post second-quarter revenue of between $270 million and $280 million, versus $273 million. Meanwhile, Twitter handed in full-year revenue guidance of between $1.2 billion and $1.25 billion, versus estimates for $1.24 billion.
eBay - The online auctioneer posted earnings of 70 cents a share on sales of $4.26 billion, topping estimates for 67 cents a share on sales of $4.23 billion. But shares declined in extended-hours trading as the company forecast current-quarter earnings of between 67 cents a share and 69 cents a share, less than the 70 cents a share expected by analysts.
General Electric - Alstom's board has accepted GE's 10 billion euro offer for the company's energy division, according to French daily Le Figaro. Alstom is expected to issue a statement Wednesday, at around 7 a.m. ET. GE shares were largely unchanged in extended-hours trading.