Sensex, Nifty end flat; rupee down ahead of US inflation data

Indian shares ended flat on Friday as gains in metal and auto stocks helped offset a fall in IT and pharma, while the rupee hit an 18-month low against the dollar ahead of U.S. inflation data that is expected to boost the greenback. The blue-chip NSE Nifty 50 index ended 0.03% down at 17,511.30 and the benchmark…