Montauk Renewables, Inc. (NASDAQ:MNTK – Get Free Report) gapped up before the market opened on Tuesday . The stock had previously closed at $4.34, but opened at $4.46. Montauk Renewables shares last traded at $4.49, with a volume of 16,856 shares. Wall Street Analysts Forecast Growth MNTK has been the subject of several recent research […]