NEW YORK ( TheStreet) -- Shares of North American Palladium (AMEX: PAL) were gapping down Tuesday morning with an open price 11% lower than Monday's closing price. The stock closed at $5.66 Monday and opened today's trading at $5.04. The average volume for North American Palladium has been 2.9 million shares per day over the past 30 days. North American Palladium has a market cap of $898 million and is part of the basic materials sector and metals & mining industry. Shares are down 18.4% year to date as of the previous trading day's close. North American Palladium Ltd. engages in exploring and mining platinum group metals, gold, and other base metals in Canada. The company explores primarily for palladium, platinum, gold, silver, nickel, and copper metals. TheStreet Ratings rates North American Palladium as a sell. Among the areas we feel are negative, one of the most important has been weak operating cash flow. You can view the full North American Palladium 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.