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

, Guy Adami said that

has more room on the upside, despite the 4.74 percent increase in price it had on Thursday.

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.

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

and traders should not buy it on Friday.

fell 1.74% on Thursday, despite the news that it signed a contract with

.