Stocks Break Through Key Support Level, Portending a Bigger Drop

S&P 500 Closes Below 200-Day Average for 1st Time Since 2016
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The fourth time proved to be too much.

The S&P 500 Index finally tumbled below its 200-day moving average, dragged down by tech troubles and tariff talk. It’s the first time the index closed below that support level since June 2016, the third-longest such stretch in the past 30 years and the sixth-longest ever.