The rupee plunged 13 paise to settle at 71.93 against the US currency on Monday, mainly weighed down by the spike in global crude oil prices.

At the interbank foreign exchange, the rupee opened weak at 72.03 against the US dollar. During the day, it touched a low of 72.11 and finally closed at 71.93 against the US dollar, lower by 13 paise over its previous closing.

The rupee on Friday had closed at 71.80 against the US dollar.