On Monday, the benchmark indices were trading higher with the Sensex up around 940 points or 1.4% at 68,420 while the Nifty-50 up around 298 points or 1.47% at 20,565. About 2,518 shares have advanced, 1,132 declined, and 197 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …