http://www.reuters.com/article/us-britain-eu-trade-idUSKCN0YZ1S1

http://www.reuters.com/article/cme-trader-delta-air-lines-idUSL1N1951FD

http://www.reuters.com/article/cme-group-markets-britain-eu-idUSL1N19510C

http://blogs.wsj.com/moneybeat/2016/06/13/the-vix-just-had-a-huge-day/

http://www.thefiscaltimes.com/Columns/2016/06/13/Why-Stock-Market-Growing-Jittery-Again

http://www.marketwatch.com/story/markets-fear-gauge-hits-highest-level-in-3-months-2016-06-13

http://www.economiccalendar.com/2016/06/13/sp-500-futures-decline-volatility-spikes-as-brexit-fears-grip-markets/

http://www.bloomberg.com/news/articles/2016-06-14/asian-stocks-retreat-for-fourth-day-as-brexit-concerns-intensify

http://www.bloomberg.com/news/articles/2016-06-13/brexit-anxiety-goes-epidemic-in-europe-as-stock-swings-turn-wild

http://www.marketwatch.com/story/us-stock-futures-fall-as-brexit-fears-central-bank-meetings-put-investors-on-edge-2016-06-13?utm_campaign=Contact+SNS+For+More+Referrer&utm_medium=twitter&utm_source=snsanalytics

http://medium.com/@chicagosean/creative-ways-for-undercapitalized-options-traders-to-avoid-the-pattern-day-trader-rule-ccdc504de794#.yvzdf5p47

https://theoptionsinsider.com/potential-insider-options-trader-nets-2m-ahead-linkedin-microsoft-deal/