Investors had no trouble gliding past the death and economic devastation wrought by the pandemic last year to drive the market to record highs. An increasingly healthy economy is what’s making them panic.In recent days, the S&P 500 stock index has wobbled, suffering its worst weekly performance in a month last week, before rising on Monday, only to dip again on Tuesday and fall 1.3 percent on Wednesday. The bond market, too, is showing anxiety, with yields rising sharply as returns in the market for Treasury bonds have fallen roughly 3 percent this year.The market conniptions are a direct …
