The rupee weakened to 68.89 due to strengthening ofthe  dollar against other currencies overseas. However, a strong domestic equity market restricted the rupee's losses.

The dollar edged towards a one-year high, as escalating trade war rhetoric between the United States and its trading partners helped the US currency.

The domestic unit opened strong by 3 paise at 68.57 at the interbank forex market today. It hovered in a range of 68.88 and 68.53 before ending at 68.88, down 28 paise at 5 pm local time.

On Friday, the rupee had ended strong by 10 paise at 68.60 against the US dollar in line with a stellar rally in domestic equities despite the ongoing global trade war jitters.

Meanwhile, the benchmark BSE Sensex closed up by 135.73 points, or 0.36 per cent, at 37,691.89, its all-time closing high, even as 17 of its constituents ended in the red.

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