Summer Doldrums in S&P 500 Another Warning Sign for Bulls: Chart

The S&P 500 Index hasn’t moved more than 0.5 percent from its closing level in 12 straight sessions through Monday, a two-week stretch where it’s advanced 0.3 percent. It’s the longest period of calm since August 2014 and July 2013, when the torpor lasted 14 sessions. In each case, the benchmark for American equity dropped 3 percent in the following month.

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