50 Cent opens up on a big Beats Electronics regret By: CNBC.com News March 18, 2015 at 10:30 AM EDT 50 Cent regrets how he played Jimmy Iovine and Beats. But SMS Audio is where he wants to be-and how he wants to beat-the headphone competition. Read More >> Related Stocks: Adidas Ag ADR Apple Intel Corp Nike Inc Sony Corp