Benchmark U.S. crude oil prices fell to their lowest level in more than two months, under pressure from a stalling recovery in demand that has prompted Saudi Arabia to discount its crude exports. Read More WSJ.com: Markets...

Stock futures wavered after the Labor Day holiday as investors remained jittery about recent falls in giant tech stocks. In premarket trading, shares in electric-car maker Tesla fell nearly 10%. Read More WSJ.com: Markets...