b'On August 17, 2015, the S&P 500 Index was slightly above 2,100. Then in just one week, by August 25, the index had dropped like a stone - down 11% - to 1,867\\u2026 and it\\u2019s been very volatile since then. For example, last Friday \\u2013 on October 2nd \\u2013 markets w...'