On the other hand, defensives utilities, real estate and consumer staples were the top gaining sectors, as a spike in coronavirus cases, led by the new Delta variant across the globe, reignited worries about a delay in the economic recovery.
Los Angeles County will reimpose its mask mandate this weekend in the latest sign that public health officials are struggling with a rise in cases to worrisome levels in many parts of the United States.
At 10:15 a.m. ET, the Dow Jones Industrial Average was down 65.61 points, or 0.19%, at 34,921.41, the S&P 500 was down 6.50 points, or 0.15%, at 4,353.53, and the Nasdaq Composite was down 9.94 points, or 0.07%, at 14,533.20.