Equities research analysts at StockNews.com initiated coverage on shares of Onconova Therapeutics (NASDAQ:ONTX – Get Free Report) in a report issued on Tuesday. The brokerage set a “sell” rating on the biopharmaceutical company’s stock. Onconova Therapeutics Stock Performance Shares of NASDAQ:ONTX opened at $0.67 on Tuesday. Onconova Therapeutics has a 1 year low of $0.55 […]