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) -- Rockwood Holdings (NYSE: ROC) hit a new 52-week high Friday as it is currently trading at $59.17, above its previous 52-week high of $57 with 1.6 million shares traded as of 12:42 p.m. ET. Average volume has been 1.1 million shares over the past 30 days. Rockwood has a market cap of $4.24 billion and is part of the basic materials sector and chemicals industry. Shares are up 10.4% year to date as of the close of trading on Thursday. Rockwood Holdings, Inc. develops, manufactures, and markets specialty chemicals and materials for industrial and commercial applications primarily in Germany, the United States, and Europe. The company has a P/E ratio of 10.3, below the S&P 500 P/E ratio of 17.7.