Yields on long-dated U.S. government bonds were slightly higher after scaling multi-month highs last week. Those on the benchmark 10-year note were up 3.9 basis points at 4.47%.
Global bond markets have been in the spotlight over concerns about fiscal sustainability in major economies including the United States and Japan.
Shares of sportswear retailer Dick's Sporting Goods rose 2.6% after it posted a first-quarter results beat.
Cybersecurity firm Okta flagged risks related to the uncertain economic environment but stuck to its full-year outlook. Its shares dropped nearly 12%.
Declining issues outnumbered advancers by a 1.36-to-1 ratio on the NYSE and by a 1.44-to-1 ratio on the Nasdaq.