The top after-market NYSE gainers Tuesday were Guidewire Software, Boyd Gaming Corp, Edison International, Shutterstock and Infoblox Inc. The top after-market NYSE losers were Accretive Health, China Digital TV Holding, Terex Corp, AVG Technologies and Stillwater Mining Co.

Gainers

Guidewire Software, Inc. (NYSE:GWRE) shares climbed 14.27 percent to $36.03 in post-market trading. Its second quarter net profit rose to $5.5 million or $0.09 per share from $3.7 million or $0.06 per share in the same quarter a year earlier. Adjusted profit was $0.21 per share, up from $0.16 per share last year and also topped analysts’ estimation of $0.02 per share.

Boyd Gaming Corp. (NYSE:BYD) shares surged 4.31 percent to $6.78 in post-market trading. The stock has a 52-week low of $4.75, a 52-week high of $8.52 and $562.83 million in market capitalization.

Edison International (NYSE:EIX) shares surged 4.08 percent to $48.00 in post-market trading. Its fourth quarter net loss narrowed to $539 million or $1.64 per share from $839 million or $2.56 per share in the same period a year earlier.

Shutterstock, Inc. (NYSE:SSTK) shares gained 2.96 percent to $35.06 in post-market trading. The stock has a 52-week low of $21.00, a 52-week high of $35.73 and $1.12 billion in market capitalization.

Infoblox Inc. (NYSE:BLOX) shares advanced 2.43 percent to $21.97 in post-market trading. The company stock slumped more than 4 percent in regular trading Tuesday.

Losers

Accretive Health, Inc. (NYSE:AH) shares tumbled 19.90 percent to $9.70 in post-market trading. The company announced Tuesday that it will postpone the release of its financial results for the fourth quarter and full year 2012, as well as its previously announced investor conference call scheduled for Feb.27, 2013, because it is evaluating the timing of revenue recognition for its revenue cycle management agreements.

China Digital TV Holding Co., Ltd. (NYSE:STV) shares plunged 5.02 percent to $2.08 in post-market trading. Its fourth quarter net profit declined to $0.07 per ADS from $0.19 per ADS in the same period last year. Revenue plunged 20.6 percent to $23.2 million compared to $29.59 million last year.

Terex Corp. (NYSE:TEX) shares plunged 4.05 percent to $30.89 in post-market trading. The stock has a 52-week low of $14.05, a 52-week high of $35.76 and $3.56 billion in market capitalization.

AVG Technologies N.V. (NYSE:AVG) shares declined 3.91 percent to $15.00 in post-market trading. The stock has a 52-week low of $9.42, a 52-week high of $16.39 and $843.17 million in market capitalization.

Stillwater Mining Co. (NYSE:SWC) shares fell 2.95 percent to $12.50 in post-market trading. The stock has a 52-week low of $7.47, a 52-week high of $15.23 and $1.50 billion in market capitalization.