Market Opens: Indian indices opened on negative note on February 27 with Nifty around 17400.At 09:16 IST, the Sensex was down 238.89 points or 0.40% at 59,225.04, and the Nifty was down 69.10 points or 0.40% at 17,396.70. About 929 shares have advanced, 1124 shares declined, and 180 shares are unchanged.