U.S. stocks slumped on Tuesday under the weight of another jump for the price of oil. It was a return to form for financial markets after Wall Street’s worries about Israel’s fighting with Iran had seemed to calm a bit on Monday.

U.S. stocks are slumping on Tuesday, as oil prices get back to jumping. It’s a return to form for financial markets after Wall Street's worries about Israel's fighting with Iran had seemed to calm a bit on Monday.

Oil futures jumped as the market reopened Sunday night, building on last week’s surge after Israel attacked Iranian energy facilities over the weekend and underlining fears around potential disruption to Middle Eastern crude flows.