Mumbai: The rupee on Monday weakened against the US dollar as global markets fell after North Korea’s test of a nuclear bomb on Sunday.

The rupee closed at 64.05 a dollar, down 0.04% from its Friday’s close of 64.03. The rupee opened at 63.93 a dollar and touched a high and a low of 63.93 and 64.18 respectively.

The 10-year bond yield closed at 6.493%, compared to its previous close of 6.483%. Bond yields and prices move in opposite directions.

The benchmark Sensex index fell 0.6% or 189.98 points to closed at 31,702.25. So far this year, it has risen over 18%.

So far this year, the rupee has gained 6.1%, while foreign institutional investors (FIIs) bought $7.16 billion and $19.89 billion in equity and debt markets, respectively.

Asian currencies were trading lower. South Korean won was down 0.61%, Indonesian rupiah 0.14%, Malaysian ringgit 0.09%, Thai baht 0.08%, Taiwan dollar 0.06% and Philippines peso fell 0.05%. However, Japanese yen was up 0.42%, China offshore 0.19% and China renminbi 0.16%.

The dollar index, which measures the US currency’s strength against major currencies, was trading at 92.653, down 0.18% from its previous close of 92.814.

On Friday, non-farm payrolls rose by 156,000, below the median estimate of 180,000, in a Bloomberg survey of economists, and revisions for the prior two months subtracted 41,000 job