Tudor, Pickering, Holt & Co. upgraded shares of Montauk Renewables (NASDAQ:MNTK – Get Rating) from a sell rating to a hold rating in a research report report published on Friday morning, Marketbeat.com reports. Tudor, Pickering, Holt & Co. currently has $7.50 price objective on the stock, up from their prior price objective of $5.00. Several […]