The top after-market NASDAQ gainers Tuesday were: Key Tronic Corp, Medivation, Aspen Technology, Fortinet, Myriad Genetics, Seagate Technology, Stratasys and ZAGG Inc.

Key Tronic Corp. (KTCC) stock climbed 28.26 percent to $8.00 in post market trading session Tuesday. Its second quarter net profit rose to $3.2 million or $0.30 per share from $1.7 million or $0.17 per share in the same period last year. The company expects third quarter net profit to be in a range of $0.30 to $0.35 per share on revenues of $92 to $97 million.

Medivation, Inc. (MDVN) shares climbed 11.44 percent to $61.75 in post market trading session. The company announced positive results on all efficacy endpoints from the Phase 3 AFFIRM trial of the investigational drug MDV3100 in men with prostate cancer previously treated with chemotherapy.

Aspen Technology, Inc. (AZPN) stock climbed 11.05 percent to $20.00 in post market trading session. The company swung to second quarter net profit of $5.98 million or $0.06 per share compared to net loss of $7.96 million or $0.09 per share in the same quarter last year, while analysts’ expected the company to report net loss of $0.05 per share.

Fortinet, Inc. (FTNT) stock surged 8.99 percent to $24.86 in aftermarket trading session. The company reported fourth quarter adjusted net profit of $22.27 million or $0.14 per share compared to $17.28 million or $0.11 per share in the same period last year and against analysts’ estimation of $0.12 per share.

Myriad Genetics, Inc. (MYGN) stock surged 5.24 percent to $24.90 in post market trading session. Its second quarter net income rose to $28.3 million or $0.33 per share from $24.2 million or $0.26 per share in the same period last year, while analysts’’ expected the company to report quarterly earnings per share of $0.31.

Seagate Technology Plc. (STX) stock surged 5.72 percent to $22.35 in aftermarket trading session. The company reported second quarter adjusted net income of $581 million or $1.32 per share compared to $159 million or $0.33 per share in the same period last year, while analysts expected the company to report quarterly earnings per share of $1.08.

Stratasys, Inc. (SSYS) stock gained 3.43 percent to $38.01 in aftermarket trading session. The stock has a 52-week low of $17.88, a 52-week high of $55.66 and $779.11 million in market capitalization.

ZAGG Inc. (ZAGG) stock gained 1.2 percent to $10.10 in post market trading session.

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