Separately, confidence among American home builders grew more than expected in December. The National Association of Home Builders/Wells Fargo Housing Market Index rose to 58, up from 54 in November.
"This is definitely an encouraging sign as we move into 2014," NAHB Chairman Rick Judson, a home builder from Charlotte, NC, said in a statement. "The HMI is up 11 points since December of 2012 and has been above 50 for the past seven months. This indicates that an increasing number of builders have a positive view on where the industry is going."
Investors lapped up the US Treasury's auction of two-year notes.
The notes drew a yield of 0.345 per cent, compared with a forecast of 0.349 per cent in a Bloomberg News survey of seven of the Fed's 21 primary dealers. The bid-to-cover ratio was 3.77, the highest since January, compared with an average of 3.26 for the past 10 sales.
Shares of KKR Financial Holdings soared, last up 28.6 per cent, a day after KKR & Co said it would buy KKR Financial Holdings in a US$2.6 billion deal.
In Europe, the Stoxx 600 Index shed 0.7 per cent from the previous close. The UK's FTSE 100 fell 0.6 per cent, while France's CAC 40 sank 1.2 per cent.
Better-than-expected German investor confidence data failed to lift the mood for the country's benchmark equity index. The DAX gave up 0.9 per cent.
The ZEW Center for European Economic Research in Mannheim said its index of investor and analyst expectations climbed to 62 this month, up from 54.6 in November