NEW YORK ( TheStreet) -- Shares of Expedia (Nasdaq: EXPE) were gapping up Wednesday morning with an open price 100% higher than Tuesday's closing price. The stock closed at $28.55 Tuesday and opened today's trading at $57.10. The average volume for Expedia has been 4.5 million shares per day over the past 30 days. Expedia has a market cap of $6.66 billion and is part of the services sector and leisure industry. Shares are up 14.8% year to date as of the close of trading on Tuesday. Expedia, Inc., together with its subsidiaries, operates as an online travel company in the United States and internationally. The company has a P/E ratio of 17.1, above the average leisure industry P/E ratio of 16.3 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Expedia as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, growth in earnings per share, increase in net income, robust revenue growth and attractive valuation levels. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. You can view the full Expedia 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.