In the following video, Fool.com health care bureau chief Brenton Flynn discusses Sunesis Pharmaceuticals, one of the biggest movers in the health care industry on Tuesday. The stock soared following a press release that announced plans to add 225 patients to its existing phase 3 trial for Vosaroxin. The decision follows a review of trial data from the company's independent Data and Safety Monitoring Board, suggesting that initial readings on efficacy are positive. However, the huge positive move comes after an abrupt sell-off in shares during the final hour of Monday's trading, making the stock essentially flat for the past two trading days.
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