Stock markets dropped as fears of a broader Middle East conflict rose after Iran’s attack on Israel. Israel’s army chief warned of a response to the attack. Oil prices climbed on concerns over supply disruptions. Meanwhile, Wall Street tumbled due to robust US retail sales data, dimming hopes for interest rate cuts. China’s strong economic growth in the first quarter did little to offset worries about industrial production and retail sales missing forecasts. The dollar strengthened, hitting a 34-year high against the yen. Major Asian indexes, including Tokyo, Hong Kong, and Shanghai, were sharply down in early trade.