The escalating war in the Middle East jolted the stock market on Tuesday — a reaction that history suggests is common after a global shock, but often not lasting.

While the market rebounded Wednesday morning, the Standard & Poor’s 500 index, a broad measurement of how U.S. companies’ stocks are faring, closed Tuesday down 0.94%. The Dow Jones Industrial Average shed 0.83%, and the tech-laden Nasdaq Composite index lost 1.02%. However, earlier in the day, all three were down at least 2.5%. 

The drops early in the day were largely due to concerns about disruptions to global trade, including the flow of oil, until President Donald Trump’s announcement that the U.S. would facilitate ships getting…