Pre-Market Movers (Carnival Corp, Sturm, Yahoo, Boeing, Deutsche Bank, Dell, UBS, BP Plc)

Carnival Corp. (NYSE:CCL) stock gained 1.59 percent to $38.25 in pre-market trading. The stock has a 52-week low of $29.15, a 52-week high of $39.95 and $29.22 billion in market capitalization.

Sturm, Ruger & Co. (NYSE:RGR) stock advanced 1.56 percent to $48.74 in pre-market trading. The stock has a 52-week low of $34.22, a 52-week high of $60.11 and $919.49 million in market capitalization.

Yahoo! Inc. (NASDAQ:YHOO) stock rose 1.08 percent to $19.73 in pre-market trading. The stock has a 52-week low of $14.35, a 52-week high of $20.32 and $23.09 billion in market capitalization.

Boeing Co. (NYSE:BA) stock plunged 5.30 percent to $72.86 in pre-market trading. Japan's two major airline companies, the All Nippon Airways and Japan Airlines, have announced plans to ground all their Boeing Dreamliner jets after one of them was forced to make an emergency landing.

Deutsche Bank AG (NYSE:DB) stock declined 2.56 percent to $47.94 in pre-market trading. The stock has a 52-week low of $27.03, a 52-week high of $52.54 and $45.56 billion in market capitalization.

Dell Inc. (NASDAQ:DELL) stock fell 2.43 percent to $12.85 in pre-market trading. The stock climbed nearly 20 percent in the last two days on news that the company has held talks with two private-equity firms about a leveraged buyout.

UBS AG (NYSE:UBS) stock declined 1.78 percent to $17.13 in pre-market trading. The stock has a 52-week low of $9.78, a 52-week high of $17.48 and $65.33 billion in market capitalization.

BP Plc (NYSE:BP) stock fell 1.17 percent to $43.92 in pre-market trading. The stock has a 52-week low of $36.25, a 52-week high of $48.34 and $141.14 billion in market capitalization.