Wall of worry
The U.S. stock market, as measured by the S&P 500, tumbled more than 3 percent yesterday, dragging it deeper into bear market territory. This morning, futures markets suggest there will be a rebound, but the S&P is still well on track to record its 10th weekly decline of the past 11 weeks.
Bull markets are often said to climb a wall of worry, with occasional slips along the way. When bear markets rappel, there are also periodic…