Stock Pick of the day: Chelsea Therapeutics International Ltd.(NASDAQ:CHTP)

Chelsea Therapeutics International Ltd said U.S. health regulators have informed the company that it may reapply for the marketing approval of its once-rejected hypotension drug Northera using data from its earlier study. Chelsea's shares more than doubled in value to $1.61 before the bell on Wednesday, as the company said it plans to file for approval for the drug in the second quarter of the year.