Stock Market Opening Bell: The Sensex slipped 114 points or 0.14 per cent to 84,352.22 in early trade, tracking weak global sentiment. The index had opened slightly higher at 84,525.89 but soon turned negative. Meanwhile, the Nifty opened marginally higher at 25,906.10, up 30 points or 0.12 per cent from the previous close of 25,875.80.