The Sensex is now down 714 at 15,828.The NSE Nifty is down 208 points at 4,714.Reliance Energy has tumbled 10.7% to Rs 1,304. Bajaj Auto and ICICI Bank have slumped over 9.5% each to Rs 1,927 and Rs 867, respectively.Hindalco has dropped nearly 8% to Rs 192, and Ranbaxy has shed 7.3% at Rs 420.NTPC, Tata Motors and Maruti have slipped around 6% each to Rs 183, Rs 662 and Rs 886, respectively.BHEL has shed 5.5% at Rs 1,965. Mahindra & Mahindra, HDFC and Satyam are down 5% each at Rs 661, Rs 2,616 and Rs 412, respectively.The market breadth was extremely negative - out of 2,581 stocks traded so far, 2,409 have declined, 154 have advanced and 18 are unchanged.