http://www.reuters.com/article/2014/04/02/options-clearing-fees-idUSL1N0MU1YK20140402

http://blogs.wsj.com/moneybeat/2014/04/03/the-markets-rigged-you-say-when-wasnt-it/

http://www.businessweek.com/news/2014-04-03/apple-traders-see-gain-coming-with-product-launch-cycle-options

http://online.barrons.com/article/SB50001424053111903698104579477634224092614.html

http://blogs.marketwatch.com/thetell/2014/04/02/the-era-of-low-volatility-may-be-drawing-to-a-close-socgen/

http://www.futuresmag.com/2014/04/01/shame-on-you-is-exchange-executives-rebuttal-of-mi?ref=hp#.UzwJpDp_UQs.twitter

http://www.businessweek.com/news/2014-04-01/goldman-said-to-seek-nyse-unit-sale-as-trading-floor-era-fades

http://www.bloomberg.com/news/2014-03-31/fbi-said-to-probe-high-speed-traders-over-abuse-of-information.html

http://online.barrons.com/article/SB50001424053111903698104579475431992042584.html?mod=BOL_da_wte

http://www.businessweek.com/news/2014-04-01/cbot-traders-lose-bid-for-chance-to-reverse-pricing-change

http://www.bloomberg.com/news/2014-04-01/virtu-said-to-delay-ipo-amid-furor-spurred-by-michael-lewis-book.html

http://blogs.wsj.com/moneybeat/2014/04/01/highlights-from-the-brawl-over-high-frequency-trading/