These stocks were leading decliners during After Hours trading, as of Aug. 7, 2013:
Fusion-io Incorporated (NYSE: FIO)
A provider of data-centric computing solutions, Fusion-io now trades at $11.62 declining -22.1 pct during After Hours trade with 1,480,000 traded shares. FIO now trades -54.31 pct below its 52-week high and 17.15 pct above its 52-week low.
Tumi Holdings Incorporated (NYSE: TUMI)
Tumi Holdings now trades at $20.86, falling -18.1 pct during After Hours trade with 7,960 traded shares. TUMI now trades -5.70 pct below its 52-week high and 30.85 pct above its 52-week low.
Silicon Graphics International Corporation (NASDAQ: SGI)
Silicon Graphics now trades at $17, dipping -14.5 pct during After Hours trade with 16,790 traded shares. SGI now trades 26.65 pct above its 50-day moving average and 54.48 pct above its 200-day moving average.
Opexa Therapeutics Incorporated (NASDAQ: OPXA)
Engaged in developing personalized cellular therapeutic solutions, Opexa now trades at $2.5, declining -14.5 pct during After Hours trade with 91,570 traded shares. OPXA now trades -43.73 pct below its 52-week high and 172.91 pct above its 52-week low.
Acorn Energy Incorporated (NASDAQ: ACFN)
Acorn Energy now trades at $6.8, dipping -10.4 pct during After Hours trade with 5,030 traded shares. ACFN now trades -30.28 pct below its 52-week high and 23.37 pct above its 52-week low.
Volcano Corp (NASDAQ: VOLC)
A developer and manufacturer of intravascular ultrasound and functional measurement products, Volcano Corp now trades at $20.37, falling -8.8 pct during After Hours trade with 7740 traded shares. VOLC now trades -25.81 pct below its 52-week high and 36.64 pct above its 52-week low.
Idenix Pharmaceuticals Incorporated (NASDAQ: IDIX)
A biopharmaceutical firm, Idenix Pharmaceuticals now trades at $3.83, dipping -8.7 pct during After Hours trade with 6,100 traded shares. IDIX now trades -50.46 pct below its 52-week high and 33.31 pct above its 52-week low.
TETRA Technologies Incorporated (NYSE: TTI)
An oil and gas services firm, TETRA Technologies now trades at $9.89, falling -8.4 pct during After Hours trade with 6,600 traded shares. TTI now trades -5.83 pct below its 52-week high and 102.05 pct above its 52-week low.
Halcon Resources Corporation (NYSE: HK)
An oil and natural gas company, Halcon Resources now trades at $5.39, declining -8.1 pct during After Hours trade with 134,100 traded shares. HK now trades -31.656 pct below its 52-week high and 19.30 pct above its 52-week low.
Limelight Networks Inc. (NASDAQ: LLNW)
A provider of high-performance content delivery network services, Limelight Networks now trades at $2.02, falling -8.1 pct during After Hours trade with 4,500 traded shares. LLNW now trades -23.60 pct below its 52-week high and 35.81 pct above its 52-week low.
Polypore International Inc. (NYSE: PPO)
A global technology filtration firm, Polypore International now trades at $41.5, declining -7.8 pct during After Hours trade with 2,100 traded shares. PPO now trades -6.91 pct below its 52-week high and 48.31 pct above its 52-week low.
Imperva Incorporated (NYSE: IMPV)
Engaged in the development and sale of data security solutions, Imperva Inc now trades at $47, declining -7.6 pct during After Hours trade with 8,500 traded shares. IMPV now trades -3.16 pct below its 52-week high and 102.41 pct above its 52-week low.