http://www.fidaily.com/insiders-selling-short-interest-growing-cme-group-inc-nasdaqcme-6/217900/ted-blackburn

http://tickertape.tdameritrade.com/options/2016/06/unusual-option-volume-59945

http://blogs.barrons.com/focusonfunds/2016/06/30/hedge-fund-assets-top-3-trillion-in-may-but-may-slip-on-brexit/

http://www.bloomberg.com/news/articles/2016-07-01/vix-tempest-plays-havoc-with-volatility-notes-taking-futures-cue

http://www.forbes.com/sites/fredoltarsh/2016/06/30/volatility-lessons-for-a-week-of-angst-market-movement-in-stocks-and-futures-beyond-expectations/#aeda89c2f211

http://www.forbes.com/sites/jeremyhill/2016/06/30/brexit-does-not-mean-more-market-volatility/#374ada9f77a0

http://tradinggods.net/trading-gods-blog/vix-daily-update-volatility-hits-3-week-low-stocks-extend-rally/

http://www.nasdaq.com/article/nasdaq-completes-acquisition-of-international-securities-exchange-20160630-00328

http://tickertape.tdameritrade.com/options/2016/06/volatility-update-vix-jumps-after-brexit–21204

http://www.reuters.com/article/us-usa-congress-cftc-idUSKCN0ZF1K0

http://www.thetradenews.com/Regulation/Derivatives-associations-urge-CFTC-to-split-RegAT/

http://www.bloomberg.com/news/articles/2016-06-30/commodities-shrug-off-brexit-on-path-to-best-quarter-since-2010