BofA upgraded MDU Resources (MDU) to Buy from Neutral with a $17 price target Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See the top stocks recommended by analysts >> Read More on MDU: Is MDU a Buy, Before Earnings? One new option listing on November 4th MDU Resources upgraded to Buy from Hold at Siebert Williams MDU Resources falls -46.8% MDU Resources falls -44.9%