Sensex, Nifty open lower as metal and auto stocks drop

Indian shares opened lower on Monday after four straight weeks of gains, weighed down by metal and auto stocks, while investors waited for cues from the U.S. Federal Reserve on its pandemic-era stimulus measures. The blue-chip NSE Nifty 50 index was down 0.3% to 17,526.9 by 9:31 am, and the benchmark S&P BSE Sensex…