Earlier this week, news of a safety issue with Ariad Pharmaceuticals' (NASDAQ: ARIA ) leukemia drug Iclusig caused the drugmaker's shares to plunge more than 65%. Today, the stock took another 20% tumble after the FDA announced that it is investigating the safety problems associated with the medication. In the following video, health-care analysts Max Macaluso and David Williamson discuss the details behind both of Ariad's drops this week.
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