http://www.bloomberg.com/news/articles/2015-09-01/china-traders-spot-afternoon-pattern-in-state-buying-of-stocks

http://www.reuters.com/article/2015/08/31/markets-derivatives-stocks-idUSL1N1161EL20150831

http://www.bloomberg.com/news/articles/2015-09-01/india-vix-index-jumps-toward-15-month-high-after-gdp-disappoints

http://www.bloomberg.com/news/articles/2015-09-01/u-s-index-futures-drop-after-s-p-500-s-worst-month-since-2012

http://www.cboeoptionshub.com/2015/08/31/volatility-economy-the-fed-weekly-market-outlook/

http://finance.yahoo.com/news/dow-briefly-drops-150-points-135905615.html

http://www.bloomberg.com/news/articles/2015-08-31/goldman-sachs-thinks-this-volatility-index-should-be-much-lower

http://www.bloomberg.com/news/articles/2015-08-30/if-the-options-market-is-right-china-s-stock-rescue-is-doomed

http://www.bloomberg.com/news/articles/2015-08-30/u-s-stock-index-futures-slide-with-volatility-set-to-continue

http://www.bloomberg.com/news/articles/2015-08-28/nyse-draws-users-ire-with-fee-increases-patent-charge-proposal

http://www.barrons.com/articles/profiting-from-a-hellish-market-with-options-1440826613

http://www.wsj.com/articles/u-s-stock-swings-dont-shake-investors-1440804573