On Wednesday, the benchmark indices were trading lower with the Sensex down around 301 points or 0.42% at 71,595 while the Nifty-50 down around 80 points or 0.37% at 21,587. About 1,713 shares have advanced, 1,479 declined, and 100 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …