The U.S. dollar held firm in early Asian trading on Monday as a string of weak economic data revived global growth worries, though signs that Congress may be edging closer to a deal that could reopen the U.S. government blunted its safety bid.

The dollar index, which tracks the greenback's strength against a basket of six major currencies, rose 0.2% to 99.740, snapping a three-day losing streak, as the yen and the euro lost ground. Bipartisan talks in the U.S. Senate to end the federal shutdown appear to have taken a positive turn, Senate Majority Leader John Thune said, while the U.S. Senate moved toward a vote later on Sunday on reopening the federal government with funding measures through January.

"This is just in the nick of time," said Tony Sycamore, market analyst at IG in Sydney.

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