On Monday, the benchmark indices were trading in the red with the Sensex down around 786 points or 0.98% at 79,565, while the Nifty-50 was down around 233 points or 0.96% at 24,198. About 835 shares have advanced; 2,848 declined and 140 are unchanged on the BSE. Top gainers and losers on the BSE Sensex …