Citigroup 2Q results are due out on Monday
Citigroup's quarterly profit plunged 27 percent as bank set aside money to cover losses on energy loans. Reuters

Pandora Media, First Majestic Silver, Xerox Corp, Navistar International, Citigroup, SunTrust Banks, Skullcandy, First Solar and Apollo Residential Mortgage are among the companies whose shares are moving in the pre-market trading Friday.

Gainers

Pandora Media Inc. (NYSE:P) stock rallied 21.82 percent to $14.29 in pre-market trading. Its fourth quarter net loss widened to $14.6 million or $0.09 per share from $8.2 million or $0.05 per share in the same period last year. Adjusted loss widened to $0.04 per share from $0.03 per share last year but came in better than analysts’ estimate of a loss of $0.05 per share

First Majestic Silver Corp. (NYSE:AG) stock climbed 7.35 percent to $17.38 in pre-market trading. The stock has a 52-week low of $12.12, a 52-week high of $24.20 and $1.89 billion in market capitalization.

Xerox Corp. (NYSE:XRX) stock gained 2.10 percent to $8.75 in pre-market trading. The stock has a 52-week low of $6.10, a 52-week high of $8.58 and $10.49 billion in market capitalization.

Navistar International Corp. (NYSE:NAV) stock surged 3.48 percent to $33.00 in pre-market trading. The stock climbed nearly 28 percent in regular trading Thursday after the company named Chief Operating Officer Troy A. Clarke as its new chief executive. Its first quarter loss from continuing operations also narrowed to $114 million or $1.42 per share from $144 million or $2.06 per share in the same period last year.

Citigroup Inc. (NYSE:C) stock advanced 1.44 percent to $45.65 in pre-market trading. The third-largest U.S. bank said Thursday that it has asked the Federal Reserve for permission to buyback $1.2 billion shares without seeking a dividend increase a year after its previous request was rejected, Bloomberg reported.

SunTrust Banks, Inc. (NYSE:STI) stock advanced 1.54 percent to $29.00 in pre-market trading. The stock has a 52-week low of $20.96, a 52-week high of $30.79 and $15.39 billion in market capitalization.

Losers

Skullcandy Inc. (NASDAQ:SKUL) stock tumbled 25.60 percent to $5.00 in pre-market trading. The company Thursday reported fourth quarter adjusted net profit of $0.47 per share, slightly below analysts’ estimate of $0.48 per share. Skullcandy also said it expects to report a loss for the first quarter due to higher expenses related to international expansion and the loss of a major customer. The company currently expects first quarter loss to be in a range of $0.25 to $0.30 per share, worse than Reuters' forecast for a profit of $0.05 per share.

First Solar, Inc. (NASDAQ:FSLR) stock plunged 5.93 percent to $24.55 in pre-market trading. The stock has a 52-week low of $11.43, a 52-week high of $36.98 and $2.27 billion in market capitalization.

Apollo Residential Mortgage Inc. (NYSE:AMTG) stock declined 2.25 percent to $22.17 in pre-market trading. The company announced Thursday that it is commencing an underwritten public offering of 6,800,000 shares of common stock.