Nifty ends May F&O series at record closing high; bank and IT stocks lift indices SECTIONS Nifty ends May F&O series at record closing high; bank and IT stocks lift indicesBy Share Synopsis Declining dollar and weak global cues were major dampers for the day, but moderating Covid-19 threat and hopes of a quick recovery kept investor morale high. Reuters Related NSE Explore Now NEW DELHI: Benchmark indices remained under selling pressure throughout the day, but managed to eke out gains at the end of the day on Thursday, thanks to buying in cement, banks and IT sector stocks.