http://online.wsj.com/articles/a-high-speed-trader-looks-to-slow-down-critics-1413318872?mod=dist_smartbrief

http://www.reuters.com/article/2014/10/14/cme-workforce-cuts-idUSL2N0S91FV20141014

http://insurancenewsnet.com/oarticle/2014/10/15/market-volatility-bumps-investors-as-the-fed-prepares-to-grind-the-markets-gear-a-567741.html#.VD5kbhamVsw

http://www.cboeoptionshub.com/2014/10/13/historical-perspective-recent-vix-price-action/

http://www.marketwatch.com/story/cme-group-to-lay-off-about-150-employees-2014-10-14?siteid=bullytweet

http://www.reuters.com/article/2014/10/13/markets-stocks-options-idUSL2N0S821F20141013

http://www.businessweek.com/news/2014-10-14/no-stock-salvation-seen-in-bank-results-as-vix-surges

http://www.valuewalk.com/2014/10/black-scholes-explained/

http://dealbook.nytimes.com/2014/10/14/change-in-derivatives-contracts-goes-only-so-far/?_php=true&_type=blogs&src=twr&_r=0

http://www.valuewalk.com/2014/10/bank-failures-uk-us-regulators/

http://www.chicagotribune.com/sns-wp-blm-news-bc-markets13-20141013-story.html#page=1

http://www.telegraph.co.uk/finance/markets/11160487/Stock-market-fear-index-spikes-as-clouds-gather-over-world-economy.html