http://www.reuters.com/article/2014/05/06/cboe-results-idUSL2N0NS03020140506

http://mninews.marketnews.com/content/research-paper-argues-hft-getting-less-vulnerable-criticism

http://www.investing.com/analysis/vix-futures-speculators-add-bearish-bets-211613

http://www.bloomberg.com/news/2014-05-06/yahoo-traders-more-bullish-than-ever-before-alibaba-ipo-options.html

http://blogs.wsj.com/moneybeat/2014/05/05/unusual-bullish-options-in-be-aerospace-swelled-last-week/

http://www.bloomberg.com/news/2014-05-05/ice-said-to-seek-rebirth-of-mortgage-swaps-in-dodd-frank-era-1-.html

http://investorplace.com/2014/05/daily-stock-market-news-vix-pop-supports-bulls/#.U2jVyFdAKds

http://www.wallstreetandtech.com/electronic-trading/bloomberg-defends-hft-and-dark-pools-on/240168095

http://www.tradersmagazine.com/news/ecns_and_exchanges/national-stock-exchange-files-plan-with-sec-to-cease-operations-112425-1.html

http://americasmarkets.usatoday.com/2014/05/05/four-year-flash-crash-anniversary-haunts-markets/

http://thetradenews.com/USA_news/Trading_Venues/Public_unrest_over_HFT_hints_at_string_of_legal_cases.aspx

http://dealbreaker.com/2014/05/michael-lewis-finds-a-fan-among-securities-regulators/