On Tuesday, the benchmark indices were trading lower with the Sensex down around 150 points or 0.23% at 63,964 and the Nifty-50 down around 42 points or 0.21% at 19,100. About 1,965 shares have advanced, 1,413 declined, and 144 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …