On Friday, the benchmark indices were trading lower with the Sensex up around 200 points or 0.27% at 72,210 while the Nifty-50 up around 55 points or 0.25% at 21,725. About 1,910 shares have advanced, 1,548 declined, and 173 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …