Nifty witnessed one way up move on monthly expiry session. It closed around day’s high by rallying 0.5 per cent to close at 17,915 level. S&P BSE Sensex also rallied more than 300 points to close at 60,649 level. Nifty Midcap 100 and Nifty Small cap 100 traded strong for the day and closed around 0.5 per cent and 0.8 per cent respectively.