With the release of ASCO abstracts, essentially a huge clinical trial data release ahead of the annual cancer conference, we witnessed a few pops and drops among biotech stocks.
In this video, healthcare analyst David Williamson takes a closer look at two stocks seeing 20% moves -- Oncothyreon (NASDAQ: ONTY ) and Halozyme (NASDAQ: HALO ) -- and discusses what these events mean for investors.
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