The Sensex opened marginally lower at 10,923, down seven points. The index touched a low of 10,859, and is now down 63 points at 10,867.Infosys has gone ex-bonus today, and the stock is now trading at Rs 1,693.HDFC, Satyam, Larsen & Toubro and Reliance have slipped 1% each to Rs 1,190, Rs 744, Rs 2,240 and Rs 1,088, respectively.Dr.Reddy's and Ranbaxy are the sole gainers among the index stocks.
