The top after-market NASDAQ gainers are: Savient Pharmaceuticals, SIGA Technologies, PDI, Apollo Group and Arena Pharmaceuticals. The top after-market NASDAQ losers are: Pacific Biosciences of California, Primoris Services, Scientific Games, Complete Genomics and Integrated Device Technology.

Gainers

Savient Pharmaceuticals Inc. (NASDAQ:SVNT) shares climbed 10.33 percent to $2.35 in post market trading session. The stock has a 52-week low of $2.08, a 52-week high of $12.29 and $152.24 million in market capitalization.

SIGA Technologies Inc. (NASDAQ:SIGA) shares surged 10.29 percent to $2.68 in aftermarket trading session. The company stock climbed more than 32 percent in regular trading session.

PDI, Inc. (NASDAQ:PDII) shares gained 4.67 percent to $7.17 in post market trading session. The stock has a 52-week low of $5.92, a 52-week high of $11.78 and $100.85 million in market capitalization.

Apollo Group Inc. (NASDAQ:APOL) shares advanced 4.39 percent to $52.57 in aftermarket trading session.

Arena Pharmaceuticals Inc. (NASDAQ:ARNA) shares gained 4 percent to $2.08 in post market trading session. The company stock gained more than 7 percent in regular trading session.

Losers

Pacific Biosciences of California Inc. (NASDAQ:PACB) shares slumped 20.22 percent to $2.13 in aftermarket trading session. The stock has a 52-week low of $2.39, a 52-week high of $17.01 and $144.22 million in market capitalization.

Primoris Services Corp. (NASDAQ:PRIM) shares declined 6.79 percent to $13.87 in aftermarket trading session.

Scientific Games Corp. (NASDAQ:SGMS) shares declined 6.15 percent to $8.54 in aftermarket trading session. The company stock surged more than 8 percent in regular trading session.

Complete Genomics Inc. (NASDAQ:GNOM) shares fell 4.33 percent to $2.87 in aftermarket trading session. The stock has a 52-week low of $2.93, a 52-week high of $18.55 and $99.55 million in market capitalization.

Integrated Device Technology Inc. (NASDAQ:IDTI) shares declined 4.25 percent to $5.63 in post market trading session. The stock has a 52-week low of $4.70, a 52-week high of $8.74 and $835.26 million in market capitalization.

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