Shares of Chipotle Mexican Grill, Inc. CMG lost more than 10 percent after the company's fourth-quarter earnings report Tuesday failed to impress Wall Street analysts who lowered their ratings on the fast casual restaurant chain. The Analysts Mizuho Securities' Jeremy Scott downgraded Chipotle Mexican Grill's stock from Buy to Neutral with a price target slashed from $370 to $300.Stifel's Chris O'Cull downgraded Chipotle Mexican Grill's stock rating from Hold to Sell with a price target lowered from $310 to $250. SourceStochastics are oversold. The price will go up and will try to close the gap. $CMG, Chipotle Mexican Grill, Inc. / D