Amazon and Apple join 170 other S&P 500 companies that are set to report their first-quarter earnings results this week.

Wall Street faces another big week with 175 S&P 500 earnings, a host of jobs data and the Fed's May rate decision.

The Dow Jones Industrial Average and other U.S. stock indexes fell Tuesday morning after strong labor data increased speculation that the Federal Reserve won’t cut interest rates anytime soon.

The quarterly measure saw wage and labor costs accelerate, adding pressure on the Fed. Tuesday marks the start of the Fed's meeting of the Federal Open Market Committee. US equity markets slipped Tuesday as hot labor data stoked fresh bets the Federal Reserve would remain hawkish on monetary policy.