U.S. gross domestic product grew at a 2.0 percent annual pace in the third quarter, a tad slower than the 2.1 percent rate reported last month, the Commerce Department said.
Economists polled by Reuters had forecast a downgrade to 1.9 percent.
There were signs that U.S. economic growth might struggle to gain traction. A private report showed existing home sales plunged 10.5 percent in November, their steepest drop since July 2010.
The euro strengthened again, brushing off the indecisive outcome of the Spanish elections over the weekend and its possible risk to economic reforms in the euro zone's fourth-biggest economy.
The single currency was mostly flat at $1.0954 and up 0.3 percent at 132.61 yen at Tuesday's close.
Among other major currencies, the Aussie and Kiwi dollars both gained more than 0.5 percent to $0.7234 and $0.6803, respectively.
There were hopes of steadier prices for oil and other industrial commodities including iron ore, Australia's largest export, after the government announced a series of reforms at a major meeting of China's Communist leadership, analysts aid.
China's yuan dipped marginally against the dollar for a second day with its offshore rates nearly flat at 6.4778 yuan per dollar, halting falls that have taken it to its weakest since a devaluation in August.