Buy the dip: the trend that keeps stocks from crashing

Stockmarkets appear to have recovered their poise. By May 2nd America’s S&P 500 index had climbed back to its level of a month earlier, just before President Donald Trump’s “Liberation Day” tariff salvo. If the S&P’s plunge was shocking—a fall of 12% in just four trading days—the rebound was, too. Mr Trump’s decision to pause many of his duties certainly helped. So, it seems, did retail investors.