U.S. stock indexes wobbled as investors geared up for the Federal Reserve’s policy decision this week and evaluated a batch of earnings.

The S&P 500 was recently up 0.2%, a day after a late rally lifted stocks on Monday. The technology-focused Nasdaq Composite lost 0.2% while the Dow Jones Industrial Average was off 0.1%. Eight of the S&P’s 11 industry subsectors were in the green.