NEW YORK ( TheStreet) -- Shares of Ivanhoe Mines (NYSE: IVN) were gapping down Tuesday morning with an open price 15.6% lower than Monday's closing price. The stock closed at $20.70 Monday and opened today's trading at $17.47. The average volume for Ivanhoe Mines has been 3.8 million shares per day over the past 30 days. Ivanhoe Mines has a market cap of $16.09 billion and is part of the basic materials sector and metals & mining industry. Shares are down 5% year to date as of the close of trading on Monday. Ivanhoe Mines Ltd. operates as an exploration and development company. The company's principal mineral resource property is Oyu Tolgoi copper-gold-silver project located in southern Mongolia. TheStreet Ratings rates Ivanhoe Mines as a sell. The company's weaknesses can be seen in multiple areas, such as its weak operating cash flow, poor profit margins and generally disappointing historical performance in the stock itself. You can view the full Ivanhoe Mines Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.