Dendreon and Fusion-IO Lead Big Stock Percentage Winners Feb 6th

Dendreon Corporation (NASDAQ:DNDN): Dendreon February 17 and 20 calls are active on total call volume of 55K contracts (19K puts). February call option implied volatility is 90, March is at 101; above its 26-week average of 85 according to Track Data. Elevated volatility and volume suggests traders taking positions for larger price movement. The shares closed at $16.53, up $2.36, or 16.65%. They have traded in a 52-week range of $6.46 to $43.96.

Fusion-IO, Inc. (NYSE:FIO): Says EMC (NYSE:EMC), which announced a new competing product, is following its architecture. Fusion-io’s (NYSE:FIO) CEO David Flynn spoke on CNBC today. The shares closed at $24.72, up $2.44, or 10.95%. They have traded in a 52-week range of $14.90 to $39.66.

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To contact the reporter on this story: Derek Hoffman at staff.writers@wallstcheatsheet.com

To contact the editor responsible for this story: Damien Hoffman at editors@wallstcheatsheet.com