A day after the RBI's swift move to stem the fall of rupee, the domestic currency notched up a smart gain of 94 paise settle the day at 52 rupees 71 paise against the dollar on fresh selling of the US currency.In early trade, the rupee shot up by a whopping 143 paise to 52 rupees 21 paise at the Inter-bank Foreign Exchange. Moving in tune with stock markets, it, however, lost some of the gains later in the day. The RBI yesterday imposed restrictions on forward trading in the local currency by FIIs and traders and also capped banks' exposure to the forex market.