U.S. stock indexes edged lower following another reminder that big, unsettling policy changes are underway because of President Donald Trump, along with more signals suggesting the U.S. economy remains solid for now.

So far, the Federal Reserve has avoided commenting on the increasingly uncertain outlook, but investors are waiting to see whether it changes its projections on Wednesday.

U.S. stocks climbed again as Wall Street's wild roller-coaster ride veers back upward. The S&P 500 rose 0.6% Monday for a second straight gain after falling 10% below its recent record last week.