Rising for the fifth straight session, the rupee on Wednesday appreciated by 11 paise to close at more than two-month high of 73.31 against the US dollar on the back of foreign fund inflows and a weak greenback in the global markets. At the interbank forex market, the domestic unit opened at 73.35 against the US dollar and witnessed an intra-day high of 73.26 and a low of 73.36.