NEW YORK ( TheStreet) -- Shares of Amazon.com (Nasdaq: AMZN) were gapping up Friday morning with an open price 14.7% higher than Thursday's closing price. The stock closed at $195.99 Thursday and opened today's trading at $224.83. The average volume for Amazon.com has been 5.7 million shares per day over the past 30 days. Amazon.com has a market cap of $87.59 billion and is part of the services sector and retail industry. Shares are up 13.2% year to date as of the close of trading on Thursday. Amazon.com, Inc. operates as an online retailer in North America and internationally. It operates retail Websites, such as amazon.com and amazon.ca. The company serves consumers through its retail Websites and focuses on selection, price, and convenience. The company has a P/E ratio of 141.9, equal to the average retail industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Amazon.com as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, good cash flow from operations and largely solid financial position with reasonable debt levels by most measures. 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 disappointing return on equity. You can view the full Amazon.com Ratings Report. Get more investment ideas from our investment research center.