On Tuesday, the benchmark indices were trading higher with the Sensex up around 314 points or 0.47% at 66,481 and the Nifty-50 around 93 points or 0.47% at 19,824. About 2,287 shares have advanced, 768 declined, and 115 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as follows: …