http://www.hedgeweek.com/2015/08/05/227951/cboe-and-c2-futures-contracts-trading-volume-7-cent-july

http://blogs.wsj.com/moneybeat/2015/08/05/apple-dealt-fresh-blow-with-wall-street-downgrade/

http://www.tradersmagazine.com/news/ecns_and_exchanges/nasdaqs-second-error-tuesday-hobbled-service-dark-pools-use-114232-1.html

http://www.thetradenews.com/news/Asset_Classes/Foreign_exchange/BATS_confirms_free_trading_for_London_FX_market_launch.aspx

http://www.bloomberg.com/news/articles/2015-08-05/option-costs-in-india-s-tata-steel-rise-as-stock-extends-rebound

http://finance.yahoo.com/news/ice-reports-higher-second-quarter-114020959.html

http://www.myiris.com/news/market/india-vix-shows-fall-in-market-volatility/20150805125137199

http://www.businessinsider.com/market-volatility-is-good-for-cboe-2015-8

http://www.bloomberg.com/news/articles/2015-08-04/nasdaq-hardware-error-briefly-hobbles-service-dark-pools-use

http://www.bloomberg.com/news/articles/2015-08-04/u-s-index-futures-little-changed-before-kellogg-disney-results

http://www.wsj.com/articles/citadels-ken-griffin-leaves-2008-tumble-far-behind-1438655887

http://www.myiris.com/news/market/india-vix-shows-fall-in-market-volatility/20150804122745199