Could Options Trading Explain Recent Market Volatility?

A.M. Edition for Aug. 31. After a summer rally, stocks have reversed in recent days. Behind the rising volatility, at least according to some strategists, are options trading and hedge-fund activity. Wall Street Journal markets reporter Eric Wallerstein explains what options are and how the options market could be accentuating stock swings. Luke Vargas hosts.  Learn more about your ad choices. Visit megaphone.fm/adchoices