NEW YORK ( TheStreet) -- AerCap Holdings (NYSE: AER) is trading at unusually high volume Friday with 1.8 million shares changing hands. It is currently at 4.4 times its average daily volume and trading up 81 cents (+6.1%) at $14.06 as of 2:46 p.m. ET. AerCap has a market cap of $1.9 billion and is part of the services sector and diversified services industry. Shares are down 6.2% year to date as of the close of trading on Thursday. AerCap Holdings N.V., through its subsidiaries, operates as an integrated aviation company worldwide. The company engages in leasing and trading aircraft and engines, and selling parts. The company has a P/E ratio of 7.2, equal to the average diversified services industry P/E ratio and below the S&P 500 P/E ratio of 16.8. TheStreet Ratings rates AerCap as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, attractive valuation levels and increase in stock price during the past year. However, as a counter to these strengths, we also find weaknesses including generally poor debt management and disappointing return on equity. You can view the full AerCap Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are rising on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVUP to 95370 or select from multiple alert options.