NEW YORK ( TheStreet) -- First Horizon National (NYSE: FHN) is trading at unusually high volume Thursday with 23.1 million shares changing hands. It is currently at 4.2 times its average daily volume and trading down 78 cents (-7.8%) at $9.18 as of 4 p.m. ET. First Horizon has a market cap of $2.52 billion and is part of the financial sector and banking industry. Shares are up 24.5% year to date as of the close of trading on Wednesday. First Horizon National Corporation operates as a bank holding company for First Tennessee Bank National Association that provides various financial services. It offers general banking services for consumers, businesses, financial institutions, and governments. The company has a P/E ratio of 20.2, below the average banking industry P/E ratio of 21 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates First Horizon as a hold. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth in net income and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself and weak operating cash flow. You can view the full First Horizon Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.