With the S&P 500 Index dropping as much as 0.7% Thursday, putting it on course for its worst three-day drop in a month, investors had a plethora of explanations to review, ranging from concern over Federal Reserve tapering to a resurgent virus to worries about the supply chain and volatility born of the expiration of equity options. Vildana Hajric is on Quicktake “Take Stock.” (Source: Bloomberg)
