NEW YORK ( TheStreet) -- Shares of Zumiez (Nasdaq: ZUMZ) were gapping up Thursday morning with an open price 15.8% higher than Wednesday's closing price. The stock closed at $18.79 Wednesday and opened today's trading at $21.75. The average volume for Zumiez has been 510,100 shares per day over the past 30 days. Zumiez has a market cap of $551.5 million and is part of the services sector and retail industry. Shares are down 30.1% year to date as of the close of trading on Wednesday. Zumiez Inc. operates as a specialty retailer of action sports related apparel, footwear, equipment, and accessories in the United States. The company has a P/E ratio of 17.2, equal to the average retail industry P/E ratio and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Zumiez as a buy. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures, revenue growth, good cash flow from operations, impressive record of earnings per share growth and compelling growth in net income. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. You can view the full Zumiez Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping up? Get free SMS text alerts sent to you when the action happens by texting UP to 95370 or select from multiple alert options.