NEW YORK ( TheStreet) -- American International Group (NYSE: AIG) is trading at unusually high volume Monday with 54.5 million shares changing hands. It is currently at 4.4 times its average daily volume and trading down $2.14 (-6.5%) at $30.70 as of 9:35 a.m. ET. American International Group has a market cap of $61.23 billion and is part of the financial sector and insurance industry. Shares are up 41.5% year to date as of the close of trading on Friday. American International Group, Inc. engages in the provision of insurance products and services for the commercial, institutional, and individual customers in the United States and internationally. The company operates in three segments: Chartis, SunAmerica Financial Group, and Aircraft Leasing. The company has a P/E ratio of 2.9, below the average insurance industry P/E ratio of 3.6 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates American International Group as a hold. The company's strengths can be seen in multiple areas, such as its compelling growth in net income, notable return on equity and attractive valuation levels. However, as a counter to these strengths, we also find weaknesses including feeble growth in the company's earnings per share and weak operating cash flow. You can view the full American International Group Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.