On Tuesday, the benchmark indices were trading in the red with the Sensex down around 340 points or 0.46% at 73,061, while the Nifty-50 was down around 71 points or 0.32% at 22,203. About 2,342 shares have advanced; 1,175 declined and 149 are unchanged on the BSE. Top gainers and losers on the BSE Sensex …