Today's wipe out in FB and tech stocks might be only the beginning

Yahoo Finance Video

Yahoo Finance's Jared Blikre and Myles Udland break down the day's market action, as the Nasdaq Composite, Nasdaq 100, S&P 500 and Russell 2000 have their worst day since the February lows, specifically looking at the relative strength of the Technology Select Sector SPDR Fund (XLK) versus the S&P 500.

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