The top after-market NYSE gainers Thursday were Varian Medical Systems, DeVry Inc, RPC Inc, Pandora Media and Federated Investors. The top after-market NYSE losers were Standard Pacific Corp, McEwen Mining, Resolute Forest Products, Dupont Fabros Technology and Coca-Cola Enterprises.

Gainers

Varian Medical Systems Inc. (VAR) shares rallied 13.12 percent to $65.72 in post-market trading. The company reported the fourth quarter net income of $120.2 million or $1.08 per share, up from $100.7 million or $0.87 per share in the same period last year and also topped Reuters’ estimate of $1.03 per share. The company currently expects that the fiscal 2013 net profit will be in the range of $4.06 to $4.16 per share compared to analysts’ estimate of $4.10 per share.

DeVry Inc. (DV) shares climbed 12.87 percent to $23.50 in post-market trading. The company reported the first quarter net income of $31.99 million or $0.49 per share, down from $57.48 million or $0.83 per share in the same period last year but topped Reuters’ estimate of $0.30 per share.

RPC Inc. (RES) shares climbed 12.67 percent to $12.98 in post-market trading. The stock has a 52-week low of $8.75, a 52-week high of $14.89 and $2.53 billion in market capitalization.

Pandora Media Inc. (P) shares surged 4.51 percent to $8.57 in post-market trading. The company stock tumbled more than 11 percent in regular trading on news that Apple has intensified the talks with major music labels to start an advertising supported streaming-radio competitor to Pandora by early next year, Bloomberg has reported citing people with knowledge of the negotiations.

Federated Investors Inc. (FII) shares gained 5.12 percent to $21.75 in post-market trading. Its third quarter net profit rose to $55.8 million or $0.54 per share from $38.3 million or $0.37 per share in the same period last year.

Losers

Standard Pacific Corp. (SPF) shares plunged 4.52 percent to $7.40 in post-market trading. The company swung to the third quarter net income 12.59 million or $0.05 per share compared to a net loss of $3.65 million or $0.02 per share in the same quarter last year but fell short of analysts’ estimate of $0.06 per share.

McEwen Mining Inc. (MUX) shares plunged 3.83 percent to $4.39 in post-market trading. The company stock surged nearly 4 percent in regular trading.

Resolute Forest Products Inc. (RFP) shares declined 3.10 percent to $12.07 in post-market trading.

Dupont Fabros Technology, Inc. (DFT) share fell 2.96 percent to $20.80 in post-market trading. The stock has a 52-week low of $19.33, a 52-week high of $29.00 and $1.36 billion in market capitalization.

Coca-Cola Enterprises, Inc. (CCE) shares fell 2.94 percent to $30.09 in post-market trading. The company reported the third quarter net profit of $263 million or $0.89 per share compared to $284 million or $0.88 per share in the same period last year.