The Sensex has now slipped back into the negative zone and is now down five points at 13,394.Larsen & Toubro has rallied 2.5% to Rs 1,473. HDFC Bank has surged 2.2% to Rs 1,057.Tata Steel, ACC and Reliance have moved up 1.3% each to Rs 460, Rs 1,050 and Rs 1,254, respectively.Dr.Reddy's, ICICI Bank and Reliance Communications are up 1% each to Rs 771, Rs 828 and Rs 434, respectively.ONGC, HDFC and HLL have dropped 1.5% each to Rs 822, Rs 1,521 and Rs 226, respectively.Hero Honda, SBI and Reliance Energy have slipped around 1% each to Rs 730, Rs 1,230 and Rs 521, respectively.Out of 2,271 stocks traded so far, 1,269 have advanced, 928 have declined and 74 are unchanged.