In a bull market almost everyone thought was living on borrowed time, the S&P 500 is poised to post one of its best years in two decades. Extraordinary returns like those are complicating the lives of people paid to predict what happens next.
Stretches like this are only raising the stakes. Despite falling the most in almost two months on Friday, the S&P 500 has now climbed for seven out of the last eight weeks, with this month’s 3.4% gain tied for the best November return in a decade.
