IN ITS SCOPE and severity, the commerce struggle took markets abruptly. On April third, the day after President Donald Trump laid out an unprecedented array of tariffs, the Russell 3000, one of many broadest measures of the American stockmarket, fell by 5%. It then fell by 6% on April 4th, when China introduced that it could strike again with an obligation of 34% on all American items. Market pricing in a spread of asset lessons tells a worrying story: traders expect a extreme financial slowdown.