Stock market today: On Tuesday, August 27, Indian stock market benchmarks, the Nifty 50 and the Sensex, ended the day flat. The Nifty 50 inched up by 7 points to close at 25,017.75, while the Sensex edged up by 14 points, finishing at 81,711.76. In contrast, the mid-cap and small-cap segments saw notable gains, with