World shares are mixed, while US futures advance following a Wall St rally led by Nvidia

European shares opened lower and Asian shares were mostly higher Thursday after a rally on Wall Street that was led by computer chip giant Nvidia.

Oil prices rose as media reports said the likelihood was rising of U.S. conflict with Iran.

President Donald Trump has been weighing whether to take military action against Iran as his administration surges military resources to the region while holding indirect talks with Tehran over its nuclear program. That is raising concerns that...