On Friday, the benchmark indices were trading higher with the Sensex up around 590 points or 0.93% at 63,740 and the Nifty-50 up around 172 points or 0.92% at 19,093. About 2,804 shares have advanced, 627 declined, and 150 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …