Interest rates on short-term Treasury securities rose...

Interest rates on short-term Treasury securities rose in Thursday’s twice-delayed weekly auction, with three-month bills climbing to the highest level in more than a year. The Treasury Department sold $6.6 billion in three-month bills at an average discount rate of 6.14%, up from 5.55% at the last auction on July 13. Another $6.6 billion was sold in six-month bills at an average discount rate of 6.20%, up from 5.54% at the last auction. The rates for three-month bills were the highest since they averaged 6.31% on June 9, 1986. The rates for six-month bills were the highest since May 18, when they sold for 6.34%.