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) -- SL Green Realty Corporation (NYSE: SLG) hit a new 52-week high Thursday as it is currently trading at $89, above its previous 52-week high of $88.96 with 201,010 shares traded as of 11:41 a.m. ET. Average volume has been 627,300 shares over the past 30 days. SL Green has a market cap of $8.05 billion and is part of the financial sector and real estate industry. Shares are up 15.3% year to date as of the close of trading on Wednesday. SL Green Realty Corp. is a real estate investment trust (REIT). The firm engages in the property management, acquisitions, financing, development, construction, and leasing. It also provides tenant services to its clients. The firm invests in real estate markets of the United States. The company has a P/E ratio of 75.4, above the S&P 500 P/E ratio of 17.7.