Market Insider

After-hours buzz: Twitter, Bojangles, ExOne & more

Check out the companies making headlines after the bell Thursday:

Traders work on the floor of the New York Stock Exchange.
Brendan McDermid | Reuters

Twitter - Shares spiked as much as 8 percent after the microblogging site announced that CEO Dick Costolo will step down on July 1. Chairman and co-founder Jack Dorsey will serve as interim CEO.

Bojangles - The restaurant chain posted first-quarter earnings of 17 cents per share, topping estimates of 15 cents a share. Revenue of $115 million, beating estimates of $114 million, but full-year revenue forecasts were below estimates. Shares rose about 1 percent in after-hours trading.

ExOne - The 3-D printer manufacturer said its quarterly loss widened to 53 cents a share from a loss of 38 cents a share last year, while revenue declined about 7 percent to $6.79 million. The stock tumbled more than 8 percent.

Dish Network - The satellite provider's stock rose about 2 percent on reports that the company was in talks with banks about funding a bid for T-Mobile that would include as much as $15 billion in cash, Dow Jones said, citing sources. T-Mobile shares gained about 3 percent in after-hours trading.