Longer term constant maturity yields reported by the Treasury fell today – presumably because of the FOMC minutes. For a news commentary, see: S&P 500 Erases Loss as Fed Minutes Show Stimulus Support. For a couple of expert commentaries:
FOMC Minutes: “many members” wanted more easing if growth not picking up [Also sprach Analyst]
FOMC Minutes: Discussion of policy tools the FOMC "might employ" [Calculated RISK]
The yields from 5-year onward all fell by about 9 basis points, possibly meaning that market participants expects that the Federal Reserve would be purchasing securities in that range.