On Thursday, the benchmark indices were trading lower with the Sensex down around 98 points or 0.15% at 66,377 and the Nifty-50 down around 25 points or 0.15% at 19,787. About 2,109 shares have advanced, 1,185 declined, and 168 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …