GILD, YOKU, VELT, DVAX, ENR Had Unusual Volume

We have found the following stocks had unusual volume spikes on Tuesday, September 18, 2012.

Gilead Sciences (NASDAQ:GILD) had a 70.7% volume spike trading 18,574,500 shares. GILD’s 30-day average volume is 5,435,220. Shares closed at $66.77 +7.66%. Gilead Sciences, Inc. is a research-based biopharmaceutical company that discovers, develops and commercializes innovative medicines in areas of unmet medical need.

Youku.com Inc. (NYSE:YOKU) had a 75.9% volume spike trading 4,860,600 shares. YOKU’s 30-day average volume is 1,171,580. Shares closed at $19.32 +-7.52%. Youku Tudou Inc is an Internet television company in china. Its internet television platform enables consumers to search, view and share high-quality video content quickly and easily across multiple devices.

Velti Plc (NASDAQ:VELT) had a 36.2% volume spike trading 4,246,900 shares. VELT’s 30-day average volume is 2,709,060. Shares closed at $9.70 +9.73%.

Dynavax Technologies Corp. (NASDAQ:DVAX) had a 53.8% volume spike trading 4,163,300 shares. DVAX’s 30-day average volume is 1,924,060. Shares closed at $4.87 +7.03%. Dynavax Technologies Corporation is a clinical-stage Biopharmaceutical Company, discovers and develops novel products to prevent and treat infectious diseases, asthma and inflammatory and autoimmune diseases.

Energizer Holdings (NYSE:ENR) had a 85.3% volume spike trading 3,968,300 shares. ENR’s 30-day average volume is 582,060. Shares closed at $75.22 +10.15%. Energizer Holdings, Inc is the manufacturers and marketers of primary batteries, portable lighting and personal care products in the wet shave, skin care, feminine care and infant care categories.

Targacept (NASDAQ:TRGT) had a 83.8% volume spike trading 1,450,800 shares. TRGT’s 30-day average volume is 235,100. Shares closed at $4.81 +-0.82%. A biopharmaceutical company, which is engaged in the design, discovery and development of NNR Therapeutics, a new class of drugs for the treatment of diseases and disorders of the central nervous system.

Bioscrip (NASDAQ:BIOS) had a 77.0% volume spike trading 1,183,800 shares. BIOS’s 30-day average volume is 272,095. Shares closed at $8.77 +3.18%. BioScrip, Inc., is a is a provider of pharmacy and home health services that partners with patients, physicians, hospitals, healthcare payors and pharmaceutical manufacturers.

Apollo Residential Mortgage In (NYSE:AMTG) had a 51.1% volume spike trading 1,079,700 shares. AMTG’s 30-day average volume is 528,450. Shares closed at $22.58 +0.44%. Apollo Residential Mortgage, Inc. finances residential real estate. The Company invests in, finances,& manages Agency mortgage-backed securities (MBS), non-Agency MBS, residential mortgage loans and other residential mortgage assets in the United States.

Rubicon Technology (NASDAQ:RBCN) had a 64.6% volume spike trading 1,058,200 shares. RBCN’s 30-day average volume is 374,515. Shares closed at $10.24 +5.57%. The company is an electronic materials provider that develops, manufactures and sells monocrystalline sapphire and other innovative crystalline products for LEDs, RFICs, blue laser diodes, optoelectronics and other optical applications.

Schiff Nutrition International Inc Cl A (NYSE:SHF) had a 100.0% volume spike trading 691,200 shares. SHF’s 30-day average volume is 0. Shares closed at $24.37 +18.47%. Schiff Nutrition International, Inc. develops, manufactures, markets and distributes branded and private label vitamins, nutritional supplements and nutrition bars in the United States and throughout the world.

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Post Written By: Alex Fredricks Alex Fredricks has a degree in business and is an avid day-trader. Alex’s experience and love for the game of the markets is shown not only in his posts, but the post he helps edit for other authors on our staff.