Sensex, Nifty gain marginally as metal stocks rally

India’s benchmark stock indexes rose on Tuesday, driven by metals and technology stocks, with investor sentiment buoyed by a full U.S. approval for a COVID-19 vaccine. By 9:19 am, the blue-chip NSE Nifty 50 index was up 0.22% at 16,532, while the benchmark S&P BSE Sensex was up 0.16% at 55,644.94. Metal…