The Sensex has slipped into the negative zone and is now down 37 points at 15,560.TCS and Wipro have slipped 1.4% each to Rs 1,032 and Rs 461, respectively.Infosys, Tata Motors, Maruti have declined over 1% each to Rs 1,850, Rs 695 and Rs 867, respectively.Satyam and Dr.Reddy's are the other prominent losers.HDFC has advanced 1.8% to Rs 2,141. Tata Steel is up nearly 1% at Rs 699.Out of 2,660 stocks traded so far, 1,507 have advanced, 1,096 have declined and 57 are unchanged.
