WASHINGTON - Interest rates on short-term Treasury securities rose in Monday's auction. <br>
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The Treasury Department sold $14 billion in three-month bills at a discount rate of 1.760 percent, up from 1.735 percent last week. An additional $13 billion was sold in six-month bills at a rate of 1.890 percent, up from 1.850 percent. <br>
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Both the three-month and six-month rates were the highest since Nov. 26 when they sold for 1.920 percent and 1.990 percent, respectively. <br>
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The new discount rates understate the actual return to investors -- 1.793 percent for three-month bills with a $10,000 bill selling for $9,955.50 and 1.934 percent for a six-month bill selling for $9,904.50. <br>
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