Treasury Prices - Continue to slid into oblivion - Why not use this access for targeting stimulus?

There is also a $37 billion auction of two-year notes Tuesday, at 1 p.m.Treasury prices rose Monday, and a $7 billion sale of 40-year Treasury Inflation Protected Securities was well bid. At the end of the day, the 10-year note was yielding 2.607 percent. As you can see there is so much demand for Treasuries.  Have we concluded that we cannot invest for better than 2.6% over ten years?