The top after-market NYSE gainers on Wednesday are: Encana Corp, EnerSys, Lions Gate Entertainment, FXCM and Goodyear Tire & Rubber. The top after-market NYSE losers are: Terex, LIN TV, Allstate, China Green Agriculture and Cypress Sharpridge Investments.

Gainers

Encana Corp. (NYSE:ECA) shares climbed 10.54 percent to $34.08 in aftermarket trading session on Wednesday. The company agreed to sell a 50 percent interest in its Cutbank Ridge business assets in British Columbia and Alberta for C$5.4 billion to a PetroChina Co unit.

EnerSys (NYSE:ENS) shares gained 7.50 percent to $37.00 in post market trading session. The company reported third quarter net income of $0.71 per share against analysts’ estimation of $0.61 per share.

Lions Gate Entertainment Corp. (NYSE:LGF) shares advanced 6.78 percent to $6.77 in afterhours trading session. Its fiscal third quarter loss narrowed sharply as revenues grew 24 percent from last year due to strength in the motion-picture and home-entertainment categories.

FXCM Inc. (NYSE:FXCM) shares gained 3.87 percent to $14.50 in post market trading session. The stock has a 52 week low of $12.05 and 52 week high of $15.34 and has $210.24 million market capitalization.

Goodyear Tire & Rubber Co. (NYSE:GT) shares advanced 2.72 percent to $12.85 in aftermarket trading session. The company is expected to report a loss of 7 cents a share in the fourth quarter on Thursday.

Losers

Terex Corp. (NYSE:TEX) shares plunged 5.66 percent to $34.02 in aftermarket trading session. The company’s fourth quarter net loss narrowed to $45.3 million or $0.42 per share from $142.8 million or $1.32 per share in the same period a year-ago. But its 2011 earnings forecast fell short of expectations.

LIN TV Corp. (NYSE:TVL) shares declined 4.80 percent to $5.16 in aftermarket trading session. The stock has a 52 week low of $3.89 and 52 week high of $8.22 and has $297.82 million market capitalization.

Allstate Corp. (NYSE:ALL) shares declined 4.60 percent to $30.87 in afterhours trading session after the company said its fourth quarter net income fell 43 percent to $296 million or $0.55 per share as it was hit by big catastrophe losses and more-frequent auto insurance claims.

China Green Agriculture, Inc. (NYSE:CGA) shares declined 3.98 percent to $8.45 in post market trading session. The company lowered its fiscal 2011 net income guidance to a range of $31.5 million to $33.2 million and reduced third quarter EPS guidance to a range of $1.17 to $1.24.

Cypress Sharpridge Investments Inc. (NYSE:CY) shares declined 2.76 percent to $12.35 in post market trading session. The company announced on Wednesday that it plans to make a public offering of 20 million shares of its common stock.