Sensex, Nifty close at record highs: 3 reasons behind stock market optimism Sensex, Nifty close at record highs: 3 reasons behind stock market optimism A good start to the quarterly earnings season, ongoing vaccination developments and hopes of a higher stimulus package in the US boosted domestic markets in India. Higher foreign fund inflows also contributed to domestic market’s performance today. advertisement UPDATED: January 11, 2021 19:49 IST India's benchmark market indices closed at record highs after a sharp rally in IT stocks. (Photo: Reuters/Representational image) Indian benchmark indices on Monday closed at record highs once again as market sentiment remains high. S&P BSE Sensex rose 1 per cent or 486.81 points to 49,269.32, while NSE Nifty 50 ended at a record closing peak of 14,484.75, up almost one per cent.