Calls Purchased on Rockwood Holdings (ROC)

Shares of Rockwood Holdings, Inc. ROC are higher on the session by 3.60%, currently trading at $40.53. The stock has been moving largely higher over the past six months and is currently trading above the 50-day and 200-day moving averages. Options traders are buying calls on the name today. A short while ago the May 2011 $45.00 call was purchased 1,300 times, on the offer, on open interest of only 277 contracts. This signals new positioning on the name. Overall call volume is now running at 2.66x the daily average with 72% of all calls traded being purchases on the offer. Rockwood Holdings, Inc. is a developer, manufacturer and marketer of specialty chemicals and advanced materials used for industrial and commercial purposes. The company's products consist of inorganic chemicals and solutions and engineered materials.