Top stocks of the week: Benchmark indices ended lower in the volatile session on August 18. At close, the Sensex fell 202.36 points or 0.31% to 64,948.66, and the Nifty settled 55.10 points or 0.28% lower at 19,310.20. Major losers on the Nifty included Hero MotoCorp, TCS, Coal India, Hindalco Industries and Tech Mahindra, while gainers were Adani Enterprises, Adani Ports, Eicher Motors, Maruti Suzuki and Nestle India. Check top stocks of the week.