Heavy selling in the last one-hour or so today saw the Sensex erase all its gains and plunge into red to a low of 10,864 - down 153 points. The index finally settled with a loss of 36 points at 10,905.BHEL surged 4% to Rs 2,193. Cipla moved up 2.2% to Rs 602, and Bharti Tele gained 1.7% at Rs 391.Tata Motors tumbled 3.5% to Rs 906. Bajaj Auto slipped nearly 2% to Rs 2,705. Maruti ended with a loss of 1% at Rs 871.Wipro shed 2.3% to Rs 531. Satyam slipped 1.7% to Rs 808. HDFC dropped 2% to Rs 1,311. HDFC Bank declined 1.5% to Rs 753, and ICICI Bank was down 1.3% at Rs 598.Gujarat Ambuja shed 1.9% to Rs 97. ACC, Ranbaxy and Reliance Energy were down 1% each at Rs 756, Rs 397 and Rs 633, respectively.