The top after-market NYSE gainers Thursday were AVG Technologies, Infoblox, Hewlett-Packard, Vipshop Holdings and Trulia, Inc. The top after-market NYSE losers were KAR Auction Services, USANA Health Sciences, Nordstrom, Tesoro Logistics and MGIC Investment Corp.

Gainers

AVG Technologies NV (NYSE:AVG) shares climbed 9.67 percent to $14.40 in post-market trading. The company swung to the fourth quarter net profit of $4.9 million or $0.09 per share compared to a net loss of $0.03 per share in the same period last year.

Infoblox Inc. (NYSE:BLOX) shares rallied 9.66 percent to $21.00 in post-market trading. The company reported the second quarter adjusted net profit of $3.0 million or $0.06 per share, up from $1.6 million or $0.04 per share in the same period last year and also topped the analysts’ estimate of $0.04 per share. Quarterly revenue surged 32 percent to $54.4 million from last year.

Hewlett-Packard Co. (NYSE:HPQ) shares surged 6.14 percent to $18.15 in post-market trading. Its first quarter net profit declined to $1.2 billion or $0.63 per share from $1.5 billion or $0.73 per share in the same period last year. Adjusted net profit was $1.6 billion or $0.82 per share, down from $1.8 billion or $0.92 per share last year but topped Reuters’ estimate of $0.71 per share.

Vipshop Holdings Ltd. (NYSE:VIPS) shares gained 5.39 percent to $23.87 in post-market trading. The company swung to the fourth quarter net profit of $6.35 million or $0.12 per ADS compared to a net loss of $63.52 million or $2.75 per ADS in the same period last year.

Trulia Inc. (NYSE:TRLA) shares advanced 4.92 percent to $29.59 in post-market trading. The company stock plunged more than 4 percent in regular trading.

Losers

KAR Auction Services Inc. (NYSE:KAR) shares plunged 2.41 percent to $20.84 in post-market trading. The stock has a 52-week low of $14.10, a 52-week high of $22.32 and $2.92 billion in market capitalization.

USANA Health Sciences Inc. (NYSE:USNA) shares declined 2.35 percent to $45.25 in post-market trading. The stock has a 52-week low of $30.51, a 52-week high of $50.23 and $668.49 million in market capitalization.

Nordstrom Inc. (NYSE:JWN) shares declined 2.31 percent to $53.26 in post-market trading. The stock has a 52-week low of $46.27, a 52-week high of $58.44 and $10.91 billion in market capitalization.

Tesoro Logistics LP (NYSE:TLLP) shares fell 1.61 percent to $47.70 in post-market trading.

MGIC Investment Corp. (NYSE:MTG) shares declined 1.59 percent to $2.59 in post-market trading. The stock has a 52-week low of $0.66, a 52-week high of $5.15 and $531.34 billion in market capitalization.

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