The rupee strengthened by 19 paise to end at 72.77 against the US dollar on Tuesday, tracking weakness in the American currency in the overseas market.
At the interbank forex market, the local unit opened at 72.85 against the greenback and witnessed an intra-day high of 72.75 and a low of 72.87.It finally ended at 72.77 against the American currency, registering a rise of 19 paise over its previous close.