Top After-Market NYSE Movers (Thompson Creek, MPG Office, Renren, Overseas Ship, Alon USA, HudBay, Heckmann, Plantronics)

By Satya Nagendra Padala: Subscribe to Satya's RSS feed | September 1, 2012 5:14 AM GMT

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(Photo: REUTERS)<br>The Dow Jones Industrial Average (DJI: DJI) gained another 53.51 points, or 0.40 percent, on Friday to close at 13,593.37, the highest level in nearly five years. Recent aggressive efforts in the U.S. and euro zone have cheered investors, but many uncertainties remain. Here are four factors that could make -- or break -- the Dow's continued ascent.

(Photo: REUTERS)
The Dow Jones Industrial Average (DJI: DJI) gained another 53.51 points, or 0.40 percent, on Friday to close at 13,593.37, the highest level in nearly five years. Recent aggressive efforts in the U.S. and euro zone have cheered investors, but many uncertainties remain. Here are four factors that could make -- or break -- the Dow's continued ascent.

The top after-market NYSE gainers Friday were Dominion Resources Black Warrior Trust, Thompson Creek Metals Co, MPG Office Trust, Renren Inc and Overseas Shipholding Group. The top after-market NYSE losers were Alon USA Energy, HudBay Minerals, Heckmann Corp, Plantronics and RadioShack Corp.

Gainers

Dominion Resources Black Warrior Trust (DOM) stock climbed 24.31 percent to $6.80 in post-market trading.

Thompson Creek Metals Co, Inc. (TC) shares gained 2.13 percent to $2.88 in post-market trading. The company stock climbed more than 12 percent in regular trading after it was upgraded to "buy" rating by Dahlman Rose.

MPG Office Trust, Inc. (MPG) shares advanced 2 percent to $3.57 in post-market trading after surging more than 5 percent in regular trading.

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Renren Inc. (RENN) shares rose 1.57 percent to $3.89 in post-market trading. The stock has a 52-week low of $3.21, a 52-week high of $7.87 and $1.46 billion in market capitalization.

Overseas Shipholding Group, Inc. (OSG) shares advanced 1.33 percent to $6.09 in post-market trading.

Losers

Alon USA Energy, Inc. (ALJ) shares plunged 2.56 percent to $13.33 in post-market trading. ALJ's limited partnership unit Alon USA Partners LP filed with the U.S. regulators to raise up to $230 million in an initial public offering of its common units, Reuters reported.

HudBay Minerals Inc. (HBM) shares declined 1.73 percent to $8.39 in post-market trading. The company stock surged more than 4 percent in regular trading.

Heckmann Corp. (HEK) shares declined 1.49 percent to $2.65 in post-market trading.

Plantronics, Inc. (PLT) shares declined 1.29 percent to $35.20 in post-market trading. The stock has a 52-week low of $27.12, a 52-week high of $40.82 and $1.51 billion in market capitalization.

RadioShack Corp. (RSH) shares fell 1.28 percent to $2.40 in post-market trading. Barclays Capital lowered RSH's fiscal 2012 earnings estimate to -$0.30 per share from -$0.20 per share.