"T-bill rates rise to a four-month high" writes AP via Boston.com. The Treasury Department sold $17 billion in 3-month T-bills at 4.89% (discount rate), up from 4.84% last week. Another $16 billion in 6-month bills was sold at 4.89% (discount rate), up from 4.87% last week, according to the article. The 1-year yield average declined to 4.99% from 5.00% said The Treasury.