Dendreon shares soar as trading resumes

Dendreon Corp. (DNDN) shares more than doubled in early morning trading, but this may be somewhat misleading.

Quick recap: Dendreon yesterday (Tuesday) released detailed results of its innovative prostate cancer drug Provenge. Ahead of the results, the stock first climbed steadily from $22.00 to about $24.50 at 1:24 p.m., only to plunge some 45 percent to $11.81 before trading was halted at 1:27 p.m. That's when Nasdaq's oversight body initiated a brief probe.