Spero Therapeutics, Inc. (NASDAQ:SPRO – Get Free Report)’s stock price passed below its 200-day moving average during trading on Monday . The stock has a 200-day moving average of $1.39 and traded as low as $1.14. Spero Therapeutics shares last traded at $1.17, with a volume of 166,122 shares traded. Wall Street Analyst Weigh In […]