The Dow swung 835 points from high to low today and ended the day in the red. The S&P gave up a 1.8% gain. Why these moves should give investors pause. Plus Apple holding its latest product event today, but will the announcements mean a big boost for the stock? Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com
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CNBC's "Fast Money"