Check out which companies are making headlines after the bell Wednesday:
JPMorgan Chase - The banking giant said it is being investigated by civil and criminal divisions of the U.S. Department of Justice over offerings of mortgage-backed securities. Shares were largely unchanged in extended-hours trading.
(Read more: Stocks log 3-daylosing streak amid Fed taper talks)
Green Mountain Coffee Roasters - The specialty coffee company posted earnings of 82 cents a share, excluding one-time items, topping Wall Street expectations by a nickel a share. Meanwhile, the company reported sales of $967 million, missing expectations for $981 million. Shares tumbled in extended-hours trading.
Groupon - The daily deals website posted earnings of 2 cents a share, in line with expectations, on revenue of $609 million, edging past estimates for $606 million. In addition, the company handed in current-quarter earnings guidance that missed Wall Street expectations, but revenue outlook that was in the higher end of projections. The company's board also appointed Eric Lefkofsky as the new CEO and Ted Leonsis as chairman of the board and authorized a $300 million share repurchase program. Shares soared in extended-hours trading.
Mondelez International - The confectionery, food and beverage conglomerate posted earnings of 37 cents a share, excluding one-time items, topping expectations for 34 cents a share. Meanwhile, sales were mostly in line with estimates at $8.6 billion. Additionally, the company increased its share buyback program to $6 billion and lifted its quarterly dividend by 8 percent to 14 cents a share from 13 cents a share. Shares were largely flat in extended-hours trading.
Tesla Motors - The electric car manufacturer posted earnings of 5 cents a share, excluding one-time items, easily blowing past expectations for a loss of 17 cents a share. The company also handed in sales of $405 million, exceeding Wall Street expectations for $383 million. Shares surged in extended-hours trading.
(**Clarification: The comparable earnings number to analysts' estimates was 5 cents a share.)
Fusion-io - The computer hardware and software systems company posted earnings of 21 cents a share, in line with expectations, but reported sales of $432 million, falling short of forecasts for $438 million. Meanwhile, the company handed in current-quarter guidance that sharply missed Wall Street projections, sending shares sharply lower in extended-hours trading.
Prudential Financial - The financial services company posted earnings of $2.30 a share, excluding one-time items, on revenue of $11.72 billion, versus earnings of $1.99 a share on sales of $12.20 billion. Shares edged higher in extended-hours trading.
Transocean - The world's largest offshoredrilling contractor posted earnings of $1.08 a share, ex-items, on sales of$2.4 billion, matching Wall Street estimates. Shares dipped slightly inextended-hours trading.
Jack in the Box - The fast-food restaurant chain posted earnings of 41 cents a share on revenue of $350 million, against expectations for 38 cents a share on sales of $362 million. In addition, the company announced CEO and chairman Linda Lang will retire at the end of the year. Current president and COO Leonard Comma will succeed Lang. Shares slumped in extended-hours trading.