NEW YORK (AP) — U.S. stocks are nudging lower on Tuesday, and oil prices are rising again. It’s a modest return to form for financial markets after worries had seemed to calm on Wall Street Monday.

Oil prices leaped, and stocks slumped on worries that escalating violence following Israel’s attack on Iranian nuclear and military targets could damage the flow of crude around the world, along with the global economy.

Asian shares are mixed and oil prices have advanced after the escalation of conflict in the Middle East hit Wall Street