The Indian rupee appreciated 4 paise to 83.57 against the US dollar in early trade on Tuesday, supported by positive trend in domestic equities and foreign fund inflows.Mumbai, Jul 16 (PTI) The rupee appreciated 4 paise to 83.57 against the US dollar in early trade on Tuesday, supported by positive trend in domestic equities and foreign fund inflows.Forex traders said dollar demand from local importers limited the rupee's upward momentum.At the interbank foreign exchange market, the rupee opened at 83.59 and gained ground to trade at 83.57 against the greenback...