On Monday, the benchmark indices were trading lower, with the Sensex down around 190 points or 0.29% at 65,209 and the Nifty-50 down around 72 points or 0.37% at 19,472. About 840 shares have advanced, 2,588 declined, and 199 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …