Check out the companies making headlines after the bell Thursday:
CBS - The media conglomerate beat first-quarter estimates on the top and bottom lines as an increase in affiliate and subscription-fee revenues offset a decline in content-licensing and distribution sales. The stock rose about 1 percent in after-hours trading.
Sprouts Farmers Market - The organic food retailer reported earnings and sales figures that were below Wall Street's estimates. It also offered disappointing full-year earnings guidance. Shares tumbled about 9 percent after the announcement.
Monster Beverage - The energy maker's shares fell more than 3 percent after it reported earnings of 62 cents a share on $587 million in revenue, which fell below expectations of 68 cents per share on $601 million.
Nuance Communications - The speech technologies provider topped fiscal second-quarter earnings and revenue forecasts, sending shares about 3 percent higher in extended trading. Nuance also said it would increase its stock repurchase plan by $500 million.
Rocket Fuel - The maker of artificial intelligence software reported a first-quarter loss of 60 cents a share, which was better than the loss of 69 cents per share analysts had projected. However, revenue of $104 million trailed estimates of $105 million. The stock fell about 2 percent after the announcement.
Cyberark Software - The IT firm's stock jumped about 3 percent on better-than-expected first-quarter results and strong guidance.
Tableau Software - Shares rose about 8 percent after the big data services provider said its first-quarter earnings and sales beat analysts' projections.