The Sensex is now down 252 points at 10,606.Reliance Communications and Hindalco have plunged over 4% each to Rs 257 and Rs 175, respectively. Tata Motors has slipped nearly 4% to Rs 740.Maruti has dropped 3.5% to Rs 785. Bajaj Auto, Dr.Reddy's, Grasim, Wipro and HDFC Bank have declined over 3% each to Rs 2,617, Rs 1,294, Rs 1,979, Rs 488 and Rs 726, respectively.Out of 1,861 stocks traded so far, 1,268 have declined, 528 have advanced and 65 are unchanged.