The three major U.S. stock indices closed collectively lower

U.S. stocks opened lower, the three major indexes closed collectively lower, the Nasdaq fell 1.49%, this week's cumulative gain of 0.76%; S&P 500 fell 1.11%, this week's cumulative gain of 0.67%, ending the weekly 2 consecutive losses; the Dow fell 0.77%, ending the daily five consecutive gains, the week's cumulative gain of 0.35%, ending the weekly 3 consecutive losses.