NEW YORK (MarketWatch) -- Airgas shares (ARG) fell 5.8% in premarket trade Thursday, after the company missed fourth-quarter earnings estimates, hurt by a sluggish business environment and bad weather.
NEW YORK (MarketWatch) -- Corcept Therapeutics shares (CORT) lost half their value in premarket trade Wednesday, after the company said it has halted a trial of a psychotic depression drug because it was unlikely to meet its primary endpoint.
Independent. Insightful. Trusted. Morningstar provides stock market analysis; equity, mutual fund, and ETF research, ratings, and picks; portfolio tools; and option, hedge fund, IRA, 401k, and 529 plan research. Our reliable data and analysis can help both experienced enthusiasts and newcomers.