The Sensex opened with a negative gap of 52 points at 10,521. The index soon tumbled to a low of 10,275 - down 298 points from the previous close.The index is now down 201 points at 10,372.Reliance Energy has plunged over 5% to Rs 504. BHEL has shed 4.7% to Rs 1,880.Hindalco and Bharti Tele have dropped 3.5% each to Rs 179 and Rs 358, respectively.Tata Motors and HDFC have declined 3% each to Rs 752 and Rs 1,150, respectively.Hero Honda and Reliance are the only gainers among the Sensex stocks.
