The benchmark 10-year Treasury note rose 19/32 and closed at 100 28/32. Its yield fell to 4.14% from 4.23% on Thursday.
European shares closed lower.
The Dax Index fell 14.60 points, or 0.35% to 4201.81, the FTSE 100 Index slid 20.60 points, or 0.42% to 4832.80, the CAC 40 Index declined 21.05 points, or 0.54% to 3870.35.
Philips Electronics rose more than 4% after it announced a €750 million ($978.6 million) share-buyback program and good financial data.
Deutsche Boerse rose more than 1% after it said it would offer "not less than" 530 pence a share for a friendly takeover of the London Stock Exchange.
Siemens rose more than 1% after the company released good corporate report.
U.S. stocks ended lower on mixed corporate data. The Dow Jones Industrial fell 40 points to 10,427, the S&P 500 fell 3 points to 1,171, the Nasdaq Composite declined 11 points to 2,035.
In currency trading, the euro rose to $1.2982, from $1.2970 in New York late Tuesday. The dollar fell to 103.59 yen, from $104.10.