Dendreon Corp. (NASDAQ: DNDN) -- implied volatility spikes as DNDN rallies on positive FDA results. DNDN is recently up $2.81 to $9.56. The FDA will accept DNDN's Provenge data for prostate cancer. DNDN June call option implied volatility is at 125, puts are at 138 according to Track Data, suggesting larger price fluctuations.
International Rectifier (NYSE: IRF) -- implied volatility increases on Speculation. IRF, a power technology company, is recently up 46 cents to $35. Dealreporter reported that industry sources say IRF is an excellent takeover candidate. IRF June option implied volatility of 39 is above its 26-week average of 34 according to Track Data, indicating larger price fluctuations.
Option volume leaders today are: Dendreon Corp. (NASDAQ: DNDN), Yahoo Inc. (NASDAQ: YHOO), Wal-Mart Stores (NYSE: WMT) and Google Inc. (NASDAQ: GOOG).
Daily Option Update is provided by Stock Options Specialist Paul Foster of theflyonthewall.com.
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