http://www.wsj.com/articles/cftc-proposes-measure-to-keep-futures-and-swaps-user-collateral-safer-1466415000

http://tradinggods.net/trading-gods-blog/us-stocks-roar-back-brexit-fears-abate/

http://www.bloomberg.com/news/articles/2016-06-20/human-traders-strike-back-against-stock-market-s-robot-dominance

http://www.cboeoptionshub.com/2016/06/17/weekend-review-vix-futures-options-613-617/

http://www.insidefutures.com/article/1737043/Three%20Weeks%20of%20Joy%20For%20Longs%20In%20Sugar:%20Will%20the%20Party%20Continue%20in%20Soybeans,%20Silver%20and%20Gold?.html

http://www.bloomberg.com/news/articles/2016-06-19/beyond-the-turmoil-central-bankers-dread-brexit-s-long-shadow

http://www.reuters.com/article/us-usa-sec-iex-idUSKCN0Z32NM

http://tradinggods.net/trading-gods-blog/vix-daily-update-volatility-spikes-14-week/

http://www.bloomberg.com/news/articles/2016-06-17/s-p-500-posts-worst-week-since-april-as-global-stress-burns-anew

http://blogs.barrons.com/focusonfunds/2016/06/17/vix-etf-trading-goes-bananas/

http://www.wsj.com/articles/brexit-volatility-brings-tempting-opportunities-for-investors-1466328603

http://www.trunews.com/markets-prepare-for-trading-spree-as-brexit-looms/