U.S. investors are buying bonds from the Treasury Department at higher rates than their foreign counterparts for the first time since 2010, reports Bloomberg.

Doubts about U.S. economic recovery are sending investors flocking to treasuries, even as public debt reaches $16 million. U.S. investors rose 10.7 percent in the first eight months of this year, to $3.61 billion, compared to a 6.9 percent increase for other countries, including Germany and China.

Read more at Bloomberg.