On Friday, the benchmark indices were trading red with Sensex up around 231 points or 0.35% at 65,457 and the Nifty-50 up around 71 points or 0.36% at 19,473. About 1,692 shares have advanced, 1,550 declined, and 170 are unchanged on the BSE. Top gainers and losers on BSE Sensex Index are as follows: The …