The dollar index, which tracks the greenback against six major rivals, fell 0.26 percent to 89.664 on Tuesday after U.S. President Donald Trump fired Secretary of State Rex Tillerson and replaced him with Central Intelligence Agency Director Mike Pompeo. The euro was up 0.46 percent to 1.2389 against the greenback. Against the yen, the dollar edged 0.14 percent higher at 106.56. The euro is expected to meet resistance and support against the dollar at $1.2460 and $1.2150 respectively, while the dollar is expected to meet resistance and support against the yen at 107.70 and 104.60 respectively.

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