Stocks rebounded from their earlier losses on Monday in a volatile trading session ahead of the Federal Reserve's two-day policy meeting later this week.
The Dow Jones Industrials had recovered 27.61 points to break for lunch Monday at 30,850.03.
The S&P 500 sank 1.11 points to 3,872.22.
The NASDAQ Composite subtracted 10.8 points to 11,437.61.
Investors are focused on the Fed's latest policy meeting slated to begin Tuesday. The central bank is expected to raise interest rates by another three-quarters of a point, though investors are also watching for guidance about corporate earnings before the next reporting season begins in October.
Beyond the Fed meeting, there are just a few economic data releases on deck this week, including August housing starts on Tuesday and initial jobless claims on Thursday.
Discretionary moved slightly higher amid gains from cruise and travel stocks.
All 11 major S&P 500 sectors rose or traded flat, led to the upside by consumer discretionary, industrial and materials. Financial also moved higher as some investors bet that at higher rate could benefit their bottom lines. Health care was the laggard, falling 1.3%.
Treasury prices lost ground, raising yields to 3.47% from Friday's 3.45%. Treasury prices and yields move in opposite direction.
Oil prices staggered 40 cents to $84.71 U.S. a barrel.
Gold prices squeezed higher 20 cents to $1,683.70 U.S. an ounce.