Check out which companies are making headlines after the bell Thursday:
Herbalife - The nutrition and skin-care products company's holder Carl Icahn disclosed a 15.6 stake in the firm, according to an amended 13D filing, up from 13.6 percent as of March 1. Shares gained in extended-hours trading.
Pandora - The automated music recommendation service posted a loss of 4 cents a share, excluding one-time items, on sales of $125 million, edging past expectations for a loss of 5 cents a share on revenue of $123 million. In addition, the company handed in current-quarter and full-year 2014 revenue guidance that were better than Wall Street estimates, sending shares sharply higher in extended-hours trading.
Separately, Pandora said its board has formed a search committee to look for a new CEO. Current CEO, president and Chairman Joe Kennedy will remain at the helm until a successor is named.
(Read More: Dow Logs New Record High Ahead of Jobs Report)
Texas Instruments - The chipmaker lifted the bottom end of its first-quarter guidance range. It now expects to post earnings of between 28 cents a share and 32 cents a share and revenue to between $2.8 billion and $2.91 billion. Wall Street analysts expect the company to post earnings of 31 cents a share on sales of $2.80 billion. Shares edged lower in extended-hours trading.