The Indian rupee opened marginally higher against the US dollar on October 30,  amid retreat in the dollar and a plunge in US Treasury yields, although another surge in oil prices could still weigh on the currency. The rupee opened higher by 4 paise at 95.21 per dollar, compared with Thursday’s close of 95.25. According to Finrex, with the dollar Index down to 101.75 after touching a high of 102.50 yesterday, the rupee is set to open at 95.21 this morning with Brent oil rising to $ 113.41 for the January Delivery.