Domestic indices opened flat but within minutes fell half a percent on weekly F&O expiry. The NSE Nifty 50 fell 73.50 pts or 0.42% to 17,377.40 and BSE Sensex fell 321.82 pts or 0.54% to 59,089.26. The top gainers on Nifty 50 were Adani Enterprises (up 2.65%), Coal India (up 1.49%), Adani Ports (up 1.36%), […]