The three major U.S. stock indexes expanded their losses, with the S & P 500 and Dow down 0.6 percent and the Nasdaq down nearly 0.8 percent.

The three major U.S. stock indexes expanded their losses, with the S & P 500 and Dow falling 0.6 percent and the Nasdaq falling nearly 0.8 percent. Apple (AAPL. O) fell more than 3 percent and Tesla (TSLA. O) fell 7 percent.