On Tuesday, the benchmark indices were trading in the red with the Sensex down around 283 points or 0.40% at 72,550, while the Nifty-50 down around 64 points or 0.29% at 22,033. About 1,476 shares have advanced; 2,141 declined; and 178 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index: …