Unlock hopes, Covid decline pushes Nifty to record high (Ld) By IANS | 0 Views Bombay Stock Exchange. (File Photo: IANS). Image Source: IANS News Mumbai, May 28 : India's key benchmark equity index NSE Nifty50 touched a new record high level as fresh Covid cases declined, thereby, igniting hopes for a quick unlock. Accordingly, global cues and accelerated pace of economic recovery led both the indices - Nifty50 and S&P BSE Sensex - to open higher. During the trade session, all sectors barring Pharma and Auto traded in the green out of which Media and Metal sectors are showing the most strength.