U.S. Treasury notes rose on Monday, amid U.S. personal spending and inflation data.
Benchmark 10-year notes' prices lowered to yield 1.5637 percent, down from a market close of 1.633 percent. A bond's price moves inversely to its yield.
Thirty-year bonds rose to yield 2.2159 percent, down from a market close of 2.295 percent.
Treasury yields
U.S. Treasurys
Personal spending for July rose 0.3 percent, in line with expectations, while the personal consumption expenditures (PCE) price index rose 0.1 percent.
The U.S. dollar index against a basket of currencies edged higher on Monday, building on Friday's gains, which followed a speech from Fed chair Janet Yellen that was seen as opening the door on an interest-rate hike in September.
The next major data peg for the Fed will be non-farm payrolls employment report for August on Friday.
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