Currencies: Dollar firms against most rivals, but weakens vs. yen ahead of U.S.-China talk

The dollar was slightly higher Tuesday, but the yen, perceived as a haven currency, remained stable as investors grew nervous in the wake of a deadly blast in Russia and ahead of an important meeting between the U.S. and China on Thursday.

The ICE U.S. Dollar Index DXY, +0.11% a measure of the greenback’s strength against a basket of six rivals, rose 0.1% to 100.60. Last week, the index notched its first weekly rise since the period ended March 3, according to FactSet data. But despite these gains, it lost 0.9% in March and 1.7% over the first quarter, eroding some of the previous quarter’s 7.1% rally.

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