The Sensex is now down 89 points at 20,639.Bharti Airtel has plunged 3.8% to Rs 873. Mahindra & Mahindra and TCS have slipped 1.7% each to Rs 743 and Rs 945, respectively.ICICI Bank and Hindustan Unilever have declined 1% each to Rs 1,393 and Rs 217, respectively.ACC has surged over 2% to Rs 895. Tata Steel and Reliance Energy have advanced 1% each to Rs 848 and Rs 2,498, respectively.
