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

http://www.foxbusiness.com/markets/2016/05/11/flash-crash-flashback-global-markets-still-at-risk.html

http://www.businessinsider.com.au/russian-crime-group-suspected-of-laundering-millions-in-london-2016-5

http://www.bloomberg.com/news/articles/2016-05-11/fed-economist-says-stop-relying-on-stocks-for-recession-signals

http://marketsmedia.com/bats-formal-approval-client-suspension-rule/