Spero Therapeutics, Inc. (SPRO) Stock Charts SPRO Home News Ratings Charts Dividends Spero Therapeutics, Inc. (SPRO): $0.96 0.04 (-4.30%) POWR Rating Get Rating Component Grades Growth Get Rating Value Get Rating Momentum D Stability C Sentiment Get Rating Quality C Add SPRO to Watchlist Sign Up Industry: Medical - Pharmaceuticals Industry D Ranked #72 of 151 in industry See All 'A' Rated Buy Stocks Spero Therapeutics, Inc. (SPRO) Performance Graph for POWR Ratings Spero Therapeutics, Inc. (SPRO) Interactive Chart SPRO Chart by TradingView Spero Therapeutics, Inc. (SPRO) Ratings History Chart Free access to the full ratings history for SPRO. Sign up now! Most Popular Stories View All • Stock Investors: Are You “Fed Up”? • 3 Streaming Giants Ending the Year on a High Note • 3 Gold Miners Glittering with High Upsides • 3 Digital Entertainment Companies Capitalizing on Streaming Growth • Is the Stock Market in a Rolling Correction? View All Top stories Get Free Updates Join thousands of investors who get the latest news, insights and top rated picks from StockNews.com! Subscribe Get Free Updates Join thousands of investors who get the latest news, insights and top rated picks from StockNews.com!