SEC charges microcap investors in 'pump-and-dump' schemes

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OPKO Health (OPK) is working to respond to Nasdaq's request for information, but it cannot estimate when trading will resume

September 11, 2018 8:33 AM EDT

OPKO Health, Inc. (NASDAQ: OPK) has had trading in its common stock halted by The Nasdaq Stock Market, and the exchange has advised OPKO that the halt will continue until the company responds (to Nasdaqs satisfaction) to the exchanges request for information related... More