The Sensex is now down 394 points at 15,157.All index stocks are in negative zone.SBI has plunged 3.3% to Rs 1,570. Reliance Communications has shed 3.5% to Rs 545.Larsen & Toubro, Satyam and Tata Motors tumbled around 2% each to Rs 2,550, Rs 473 and Rs 685, respectively.Bajaj Auto, ICICI Bank, Hindalco, Reliance Energy and ACC are the other major losers.