The Sensex has slipped again into the negative zone and is now down four points at 11,547.Reliance Communications, Reliance and Satyam have advanced over 1% each to Rs 318, Rs 1,101 and Rs 784, respectively.TCS and Infosys have moved up 1% each to Rs 964 and Rs 1,753, respectively.Hindalco has dropped 2.5% to Rs 170. ONGC has slipped 1% to Rs 1,165.The market breadth is negative - out of 2,008 stocks traded so far, 1,106 have declined, 830 have advanced and 72 are unchanged.