Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model. NEW YORK ( TheStreet) -- TD Ameritrade Holding Corporation (NYSE: AMTD) hit a new 52-week high Thursday as it is currently trading at $24.26, above its previous 52-week high of $24.20 with 181,099 shares traded as of 9:46 a.m. ET. Average volume has been four million shares over the past 30 days. TD Ameritrade Holding has a market cap of $13.12 billion and is part of the financial sector and financial services industry. Shares are up 43% year to date as of the close of trading on Wednesday. TD Ameritrade Holding Corporation provides securities brokerage services and technology-based financial services to retail investors, traders, and independent registered investment advisors (RIAs) in the United States. The company has a P/E ratio of 22.3, above the S&P 500 P/E ratio of 17.7.