NEW YORK ( TheStreet) -- Shares of PetMed Express (Nasdaq: PETS) were gapping up Monday morning with an open price 15.4% higher than Friday's closing price. The stock closed at $11.27 Friday and opened today's trading at $13. The average volume for PetMed Express has been 222,500 shares per day over the past 30 days. PetMed Express has a market cap of $220.1 million and is part of the health care sector and drugs industry. Shares are up 8.6% year to date as of the close of trading on Friday. PetMed Express, Inc., doing business as 1-800-PetMeds, operates a pet pharmacy in the United States. It markets non-prescription and prescription pet medications; and other health products for dogs and cats, as well as direct to consumers. The company has a P/E ratio of 14, above the average drugs industry P/E ratio of 13.7 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates PetMed Express as a hold. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures, attractive valuation levels and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including feeble growth in the company's earnings per share, deteriorating net income and poor profit margins. You can view the full PetMed Express 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.