The top after-market NYSE gainers Friday were Western Alliance Bancorp, AMN Healthcare Services, Cameco Corp, Gamco Investors and Genco Shipping & Trading Ltd. The top after-market NYSE losers were Daqo New Energy, LATAM Airlines Group, Phoenix Companies, Accuride Corp and Rio Alto Mining Ltd.

Gainers

Western Alliance Bancorp. (NYSE:WAL) shares climbed 4.82 percent to $15.00 in post-market trading. The stock has a 52-week low of $8.00, a 52-week high of $14.45 and $1.24 billion in market capitalization.

AMN Healthcare Services Inc. (NYSE:AHS) shares surged 4.44 percent to $15.75 in post-market trading. The company stock plunged more than 3 percent in regular trading.

Cameco Corp. (NYSE:CCJ) shares gained 4.39 percent to $22.36 in post-market trading. The stock has a 52-week low of $16.41, a 52-week high of $23.86 and $8.47 billion in market capitalization

Gamco Investors Inc. (NYSE:GBL) shares advanced 4.17 percent to $56.00 in post-market trading. The company stock plunged more than 4 percent in regular trading.

Genco Shipping & Trading Ltd. (NYSE:GNK) shares gained 3.52 percent to $2.94 in post-market trading. The stock has a 52-week low of $2.09, a 52-week high of $7.07 and $124.46 million in market capitalization.

Losers

Daqo New Energy Corp. (NYSE:DQ) shares slumped 5.43 percent to $8.02 in post-market trading. The company stock climbed more than 8.5 percent in regular trading.

LATAM Airlines Group S.A. (NYSE:LFL) shares plunged 3.50 percent to $22.35 in post-market trading. The stock has a 52-week low of $21.61, a 52-week high of $29.67 and $11.03 billion in market capitalization.

Phoenix Companies Inc. (NYSE:PNX) shares declined 3.32 percent to $27.99 in post-market trading. The company announced Friday that it will not meet the previously announced timetable for filing its restated financial information and third quarter 2012 Form 10-Q and will not timely file its 2012 Form 10-K. The company will provide an update on or before Apr. 30, 2013.

Accuride Corp. (NYSE:ACW) shares declined 3.24 percent to $5.26 in post-market trading. The company stock climbed nearly 8 percent in regular trading.

Rio Alto Mining Ltd. (NYSE:RIOM) shares fell 3.20 percent to $4.43 in post-market trading. The stock has a 52-week low of $3.61, a 52-week high of $5.99 and $756.31 million in market capitalization.