http://www.reuters.com/article/2015/09/07/china-stock-market-circuitbreaker-idINKCN0R71EI20150907

http://www.marketwatch.com/story/us-prosecutors-outline-spoofing-software-allegedly-used-by-sarao-2015-09-04?siteid=yhoof2

http://www.bloomberg.com/news/articles/2015-09-04/the-best-vix-etfs-are-also-the-most-dangerous

http://www.wsj.com/articles/all-night-push-after-glitch-hit-bny-mellon-1441322064?mod=rss_markets_main

http://www.nytimes.com/2015/09/04/business/dealbook/a-choppy-august-tested-hedge-funds-and-many-stumbled.html

http://www.cnbc.com/2015/09/03/high-vix-no-hike-what-market-history-tells-us.html

http://www.bloomberg.com/news/articles/2015-09-04/india-s-vix-index-set-for-fifth-week-of-gains-as-stocks-tumble

http://www.wsj.com/articles/traders-ride-the-etf-roller-coaster-1441307475

http://www.thestarphoenix.com/business/fear+scaring+investors+right+bottom/11340330/story.html

http://www.bloomberg.com/news/articles/2015-09-03/flash-crash-trader-sarao-indicted-by-grand-jury-in-chicago-ie4n4s0s

http://www.forbes.com/sites/greatspeculations/2015/09/03/welcome-to-the-opening-round-of-the-new-bear-market/

http://www.reuters.com/article/2015/09/03/us-eu-usa-derivatives-idUSKCN0R31VI20150903