ET Market Watch: Sensex closes above 71,100 lvl, Nifty at 21,349; IT, auto stocks rise

In the 63 stocks that closed in the green, Gujarat Fluorochemicals, Patanjali Foods and Laurus Labs moved the most on the upside. The top losers were Polycab and Aurobindo Pharma. The Nifty Smallcap 100 was up 1% at the closing time. JB Chemicals was the top gainer with a 9% uptick while IIFL was down 4%.