United States Steel Corporation, Pandora Media Inc Highlight CNBC's Stock Pops & Drops From September 11

On CNBC's Fast Money, Guy Adami said that United States Steel Corporation X has more room on the upside, despite the 4.74 percent increase in price it had on Thursday. BlackBerry Ltd BBRY jumped 4.92 percent on the news that it is acquiring a mobile technology startup. Brian Kelly said that this would allow users to have two phone numbers on the same phone. He has a long position in the stock. Pandora Media Inc P gained 3.22 percent and Pete Najarian thinks that a licensing deal with music rights management firm BMG is huge for the company. He added that it is hard to value this company because there is no P/E and traders who want to take a long position in the stock should use options to do so. Tim Seymour said that $17.50 is a tough level for Alcoa Inc AA and traders should not buy it on Friday. Alcoa fell 1.74% on Thursday, despite the news that it signed a contract with The Boeing Company BA.