Stock-market investors know that Federal Reserve decision days — and the day after — can be volatile. But there’s a twist when it comes to Wednesday’s policy decision. U.S. financial markets will be closed Thursday in observance of the Juneteenth holiday.

Financial markets may be in for a "knee-jerk" selloff if the U.S. military attacks Iran, with economists warning that a dramatic rise in oil prices could damage a global economy already strained by President Donald Trump's tariffs.

The Federal Reserve downgraded its projections for U.S. economic performance this year, along with several primary economic indicators. The U.S. central bank sees lower economic growth, higher unemployment and higher prices amid major changes in U.