The Sensex touched a low of 11,666, and then rebounded into the positive zone. The index is now up six points at 11,705.Larsen & Toubro has advanced 1.3% to Rs 2,433. Cipla and HDFC Bank are the other notable gainers.HDFC has slipped over 1% to Rs 1,293. Hero Honda is down nearly 1% to Rs 714.Reliance Communications, ITC and ICICI Bank are the other prominent losers.