http://www.nasdaq.com/article/nasdaq-tackles-highspeed-trading-in-treasurys-20151012-00827

http://www.insidefutures.com/articles/article.php?id=1560357

http://www.reuters.com/article/2015/10/12/us-cme-trading-bans-idUSKCN0S625K20151012

http://blogs.barrons.com/focusonfunds/2015/10/12/what-volatility-plunging-vix-on-pace-for-10th-straight-slide/?mod=google_news_blog

http://www.bloomberg.com/news/articles/2015-10-12/u-s-index-futures-are-little-changed-before-earnings-this-week

http://www.chicagobusiness.com/article/20151010/ISSUE01/310109989/traders-cme-cboe-profit-from-return-of-volatility

http://uk.reuters.com/article/2015/10/09/usa-bonds-liquidity-idUKL1N1290PG20151009

http://www.bloomberg.com/news/articles/2015-10-12/when-in-doubt-fx-option-market-would-rather-watch-central-banks

http://www.bloomberg.com/news/articles/2015-10-12/infosys-bullish-option-bets-jump-toward-year-high-after-results

http://www.fa-mag.com/news/volatility–welcome-back-23421.html

http://www.barrons.com/articles/options-strategies-for-bearish-investors-1444457019

http://www.bloomberg.com/news/articles/2015-10-09/one-of-wall-street-s-most-popular-post-crisis-trades-may-be-coming-to-an-end