The top after-market NYSE gainers Tuesday were: BPZ Resources, MEMC Electronic Materials, Ultra Petroleum, Fusion-Io and Gol Linhas Aereas Inteligentes. The top after-market NYSE losers were: Campus Crest Communities, Harbinger Group, Yingli Green Energy Holding, HCA Holdings and AutoZone.

Gainers:

BPZ Resources, Inc. (BPZ) shares climbed 12.33 percent to $2.55 in post market trading.

MEMC Electronic Materials, Inc. (WFR) shares surged 3.86 percent to $2.15 in post market trading. The company stock plunged more than 4 percent in regular trading.

Ultra Petroleum Corp. (UPL) shares rose 2.62 percent to $21.95 in aftermarket trading. The stock has a 52-week low of $17.62, a 52-week high of $47.89 and $3.27 billion in market capitalization.

Fusion-Io, Inc. (FIO) shares rose 2.49 percent to $21.44 in post market trading. The stock has a 52-week low of $14.90, a 52-week high of $41.74 and $1.95 billion in market capitalization.

Gol Linhas Aereas Inteligentes SA (GOL) shares advanced 1.84 percent to $4.64 in post market trading. The company stock declined nearly 4.5 percent in regular trading.

Losers:

Campus Crest Communities, Inc. (CCG) shares plunged 3.45 percent to $10.34 in post market trading after announcing the commencement of an underwritten public offering of 6,000,000 shares of its common stock.

Harbinger Group Inc. (HRG) shares fell 2.74 percent to $6.74 in post market trading after slumping more than 13 percent in regular trading.

Yingli Green Energy Holding Co, Ltd. (YGE) shares declined 2.72 percent to $2.70 in post market trading. The company stock was downgraded to “sell” rating from a “neutral” rating at Goldman Sachs.

HCA Holdings, Inc. (HCA) shares declined 2.21 percent to $25.61 in post market trading. The stock has a 52-week low of $17.03, a 52-week high of $34.92 and $11.49 billion in market capitalization.

AutoZone, Inc. (AZO) shares fell 2.16 percent to $368.37 in aftermarket trading. The stock has a 52-week low of $266.25, a 52-week high of $399.10 and $14.09 billion in market capitalization.

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