Traders Brace as Quad Witching Approaches

(Updated - December 16, 2016 2:54 PM EST)

Today's quadruple witching has traders bracing for volatility into the market close, along with a few bouts of unusual action throughout the session. Major equity indexes were mostly flat mid-day.

Update:

Unusual trading was noted in several stocks, including Harman (NYSE: HAR) heading into the final hour.

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