Longer-dated U.S. Treasury yields were higher on Monday, as hostilities between the U.S. and Iran flared after military attacks resumed and investors weighed comments last week from Federal Reserve Chair Kevin Warsh.
Crude oil prices jumped after U.S. forces struck two Iranian launchers on Iran's Larak Island on Sunday, a U.S. official said, marking the first known American strikes on Iran since late July. Iran responded by attacking U.S. forces stationed in Jordan, according to a Fox News reporter on Sunday, citing a U.S. source.