Day trading guide for today: Domestic equity benchmarks Sensex and Nifty ended lower during Tuesday’s session on profit-booking select heavyweights, including Reliance Industries , Power Grid, State Bank of India, and ICICI Bank amid mixed global cues. Sensex remained volatile throughout the session and closed 68 points, or 0.10 per cent, lower at 66,459.31 while Nifty closed the day with a loss of 20 points, or 0.10 per cent, at 19,733.55. The BSE Midcpap index underperformed the benchmark Sensex, falling 0.23 per cent. The index hit its record high of 30,497 in intraday trade but failed to sustain the gains....