On Thursday, the benchmark indices were trading higher with the Sensex up around 860 points or 1.23% at 70,445 while the Nifty-50 up around 240 points or 1.14% at 21,165. About 2,200 shares have advanced, 1,373 declined, and 144 are unchanged on the BSE. Top gainers and losers on the BSE Sensex index are as …