http://www.globalcapital.com/article/xrnw03z3s75d/focus-on-short-dated-volatility-brings-lse-options-response

http://tradinggods.net/trading-gods-blog/us-stocks-extend-losses-healthcare-technology-weighus-stocks-extend-losses-healthcare-technology-weigh/

http://www.marketwatch.com/story/investors-have-the-best-stock-market-ever-thanks-to-high-frequency-trading-2016-05-12?siteid=rss&rss=1

http://www.forbes.com/sites/fredoltarsh/2016/05/12/options-liquidity-check-in-apple-amazon-gld-alphabet-spy-and-vix-dont-give-up-the-edge/#51aa5890108d

http://tickertape.tdameritrade.com/options/2016/05/historical-implied-volatility-92760

http://seekingalpha.com/article/3974294-volatility-get-wild-summer

http://www.chicagobusiness.com/article/20160511/NEWS07/160519942/citadels-ken-griffin-hedge-fund-talent-is-there-to-snag

http://blogs.barrons.com/emergingmarketsdaily/2016/05/11/clinton-son-in-law-shuts-losing-greece-hedge-fund/

http://www.marketwatch.com/story/jobless-claims-surge-to-14-month-high-of-29400-2016-05-12?siteid=yhoof2

http://tradinggods.net/trading-gods-blog/vix-daily-update-volatility-rises-first-time-five-days/

http://www.todayonline.com/business/deutsche-boerse-ceo-touts-lse-merger-saying-size-everything

http://www.cnbc.com/2016/05/11/heres-why-the-vix-has-been-on-the-retreat-lately.html