keywords: treasury rates bills auction rate
text: Rates mixed in T-bill auction Interest rates on short-term Treasury securities were mixed in yesterday's auction. The Treasury Department sold \$19 billion in three-month bills at a discount rate of 2.28 percent, up from 2.23 percent last week. An additional \$17 billion was sold in six-month bills at a rate of 2.560 percent, unchanged from last week's auction.