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The euro hit a low of $1.2591 and last traded at $1.2594, down 0.3 percent on the day, according to Reuters data.
"We will probably have some choppy trade headed into the weekend," said Omer Esiner, chief market analyst at Commonwealth Foreign Exchange in Washington D.C.
"There is also word that central bankers are playing down intervention, which could also be weighing on the euro," he said.