The Treasury Department auctioned $26 billion in 2-year notes at a high yield of 1.345 percent. The bid-to-cover ratio, an indicator of demand, was 2.86.
Indirect bidders, which include major central banks, were awarded 45.8 percent. Direct bidders, which includes domestic money managers, bought 12.6 percent.
Later in the day, the Treasury Department also auctioned $34 billion in 5-year notes at a high yield of 1.742 percent. The bid-to-cover ratio was 2.58.
Indirect bidders were awarded 69.1 percent. Direct bidders bought 13.5 percent.
U.S. politics continues to keep investors on their toes on Monday, as Wall Street looks to the U.S. President to see how he handles the hurricane which struck Texas and caused chaos over the weekend.
Meanwhile, a number of reports emerged over the weekend about the U.S. President, including an article by The Washington Post, which reported on Sunday that Donald Trump's company had been chasing a deal to build a Trump Tower in Moscow while the Republican was running for president during late 2015 and early 2016.