The Sensex has once again dipped below the 15,000-mark, and is now down 796 points at 14,964.The NSE Nifty is down 218 points at 4,528.HDFC has slumped 10% to Rs 2,255. ICICI Bank has plunged 8.5% to Rs 804.Jaiprakash (JP) Associates has tumbled nearly 7% to Rs 220. DLF and Ranbaxy have shed 6.5% each to Rs 612 and Rs 434, respectively.Tata Steel, Reliance Communications, Reliance, HDFC Bank and Reliance Energy have dropped around 6% each to Rs 671, Rs 487, Rs 2,182, Rs 1,238 and Rs 1,220, respectively.Hindalco has slipped 5.7% to Rs 171, and SBI has declined nearly 5% to Rs 1,630.Larsen & Toubro, Mahindra & Mahindra and Tata Motors are down 4.3% each at Rs 2,781, Rs 621 and Rs 608, respectively.The market breadth is extremely negative - out of 2,537 stocks traded so far, 2,224 have declined, 279 have advanced and 34 are unchanged.