Traders work on the floor of the New York Stock Exchange (NYSE)
  • US stocks fell Wednesday as investors assess more earnings reports from Corporate America. 
  • Microsoft cut revenue guidance and Boeing posted a quarterly loss. 
  • Tesla's earnings are on tap later Wednesday. 

US stocks fell Wednesday as investors received disappointing financial updates from Boeing and Microsoft, underscoring concerns about how companies are faring through macroeconomic headwinds and supply chain snarls. 

All three of Wall Street's major equity indexes were in the red, led by losses in the tech-concentrated Nasdaq Composite.