As Stimulus Piles Up Dollars, Their Value Falls - NYTimes.com

Experts warned there might not be enough demand to sop up all those new dollars and dollar-denominated Treasury securities. That led investors to fret about the sustainability of the United States government’s AAA sovereign credit rating after the Standard & Poor’s ratings agency warned this week that the sovereign rating of Britain — which is spending hundreds of billions of pounds to engineer a recovery — is under threat.

As Stimulus Piles Up Dollars, Their Value Falls - NYTimes.com