The top after-market NYSE gainers Tuesday were Unisys Corp, Tempur-pedic International, McEwen Mining, InvenSense and Sanchez Energy Corp. The top after-market NYSE losers were DigitalGlobe, Genco Shipping & Trading, International Game Technology, Crestwood Midstream Partners and Owens & Minor.

Gainers:

Unisys Corp. (UIS) shares climbed 11.51 percent to $18.50 in post market trading. The company swung to second quarter net profit of $46.6 million or $0.99 per share compared to the net loss of $11.6 million or $0.27 per share in the same quarter a year earlier.

Adjusted net profit rose to $72.5 million or $1.41 per share from $54.2 million or $1.07 per share in the same quarter last year while an analysts' survey, polled by Thomson Reuters, expected net profit of $0.48 per share.

Tempur-pedic International Inc. (TPX) shares climbed 8.23 percent to $29.34 in post market trading. The company reported second quarter net profit of $29.12 million or $0.45 per share, down from $53.08 million or $0.76 per share in the same quarter a year earlier but topped the analysts’ estimation of $0.38 per share.

McEwen Mining Inc. (MUX) shares surged 6.93 percent to $2.93 in the post market trading.

InvenSense Inc. (INVN) shares gained 5.11 percent to $9.66 in the post market trading. The company reported first quarter net profit of $7.7 million or $0.09 per share. the revenue rose to $39.2 million from $35.6 million in the same period a year earlier.

Sanchez Energy Corp. (SN) shares advanced 4.07 percent to $17.87 in the post market trading. The company stock was initiated with a “buy” rating at Global Hunter Securities with a price target of $25.00.

Losers:

DigitalGlobe Inc. (DGI) shares slumped 6.83 percent to $16.37 in the post market trading. The company stock climbed nearly 17 percent in regular trading.

Genco Shipping & Trading Ltd. (GNK) shares plunged 6.20 percent to $2.27 in the post market trading. The stock has a 52-week low of $2.38, a 52-week high of $10.14 and $106.01 million in market capitalization.

International Game Technology (IGT) shares plunged 5.72 percent to $13.85 in the post market trading. Its third quarter net profit declined to $46.6 million or $0.16 per share from 86.9 million or $0.29 per share in the same period last year. The adjusted net income was $0.23 per share, down from $0.26 last year and also fell short of analysts’ estimation of $0.29 per share.

Crestwood Midstream Partners LP (CMLP) shares fell 5.33 percent to $25.56 in the post market trading. The company announced Tuesday that it has commenced a public offering of 4,000,000 common units under its effective shelf registration statement.

Owens & Minor Inc. (OMI) shares declined 4.57 percent to $27.13 in the post market trading after lowering its fiscal 2012 revenue guidance. The company currently expects the revenue growth for whole of 2012 to be below the original annual revenue guidance of 3 to 5 percent. Owens & Minor currently expects full year earnings to be in the range of $2.04 to $1.98 per share, as compared to the analysts’ estimation of $2.04 per share on the revenues of $9.01 billion.

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