In early trade at the Interbank Foreign Exchange market The rupee hiked by 4 paise to 64.32 against the US dollar . According to the Forex dealers, "besides continued selling of the greenback by banks and exporters, a higher opening of the domestic equity market backed the rupee." However, the benchmark BSE Sensex rose by 120.83 pts, or 0.38 %, to 31,430.32 in early trade. Also Read: Hemant Thukral: Buy Pidilite Industries, Mahanagar Gas Petrol price hiked by Rs 1.23/litre while diesel by 89 paise VK Sharma says Buy M&M 1440 Call, TVS Motor 540 Call