U.S. stocks were mixed ahead of Friday’s jobs data, with the S&P 500 up 0.1% and the Nasdaq down 0.6% as tech shares weakened. Investors are also watching possi

U.S. stocks were mixed ahead of Friday’s jobs data, with the S&P 500 up 0.1% and the Nasdaq down 0.6% as tech shares weakened. Investors are also watching possible U.S.-Iran developments; Brent crude rose 1% to $80, while SKHY fell 6% and MU 4%.