Rovi Corporation (NASDAQ:ROVI) is down 40.85% this morning at $10.44. ROVI has traded 19.1 million shares so far today, way above its daily average volume. ROVI shares are down today on profit warning and a down grade by JPMorgan from overweight to neutral. The company has a market cap of 1.14 billion.
StemCells Inc. (NASDAQ:STEM) is down 20.76% today at $1.43. STEM has traded 6.1 million shares so far today, well above its daily average of 445 thousand shares. STEM shares are pulling back today after jumping 100% yesterday on news. The company has a market cap of 37.23 million.
Anthera Pharmaceuticals, Inc. (NASDAQ:ANTH) is down 11.81% today at $1.41. ANTH has tarded 4.05 million shares this morning, double its daily average. ANTH shares are selling off today following a more than 100% increase over the previous 2 days. The company has a market cap of 58.34 million.
Arena Pharmaceuticals, Inc. (NASDAQ:ARNA) is down 8% this morning at $10.17. ARNA has traded 15.01 million shares so far today and trades 25.3 million shares a day on average. ARNA shares are down today following Vivus’ weight loss drug approval. The company has a market cap of 1.87 billion.
Quality Systems Inc. (NASDAQ:QSII) is down 7.88% today at $23.96. QSII has traded 1.06 million shares so far today, well above its daily average of 752 thousand shares. The company has a market cap of 1.42 billion.
Odyssey Marine Exploration Inc. (NASDAQ:OMEX) is down 6.59% today at $3.97. OMEX has traded 1.4 million shares so far today, well above its daily average of 635 thousand shares. The company has a market cap of 290 million.
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