Keith Meister's hedge fund, Corvex Management, disclosed a 10 percent stake in Pandora Media (P) on Tuesday and urged the company to explore a sale. Possible buyers include Apple (AAPL) - Get Report , Amazon (AMZN) - Get Report and CBS Corporation (CBS) - Get Report . Pandora shares have lost 21 percent since the start of the year and analysts said the company will remain a takeover target should the stock stay under $14. It currently trades at $10.69. TheStreet's Scott Gamm speaks with The Deal's Ron Orol for more analysis.