http://www.tradersmagazine.com/news/white-sec-will-coordinate-reforms-internationally-111157-1.html

http://finance.yahoo.com/news/high-frequency-trading-basically-evil-152741250.html

http://finance.yahoo.com/news/cboe-outage-wont-limit-listing-135547279.html

http://www.nasdaq.com/article/cboe-delays-move-to-longer-trading-hours-20130503-00465

http://www.thetradenews.com/news/Regions/Americas/CFTC_faces_second_lawsuit_over_anti-competitive_rules.aspx

http://www.foxbusiness.com/news/2013/05/02/cme-group-vows-to-oppose-trading-taxes/

http://www.livetradingnews.com/vix-pointing-to-a-fall-112850.htm#.UYO_rsrm-ds

http://www.advancedtrading.com/binary-options-the-markets-unsung-hero/240153540

http://www.chicagotribune.com/business/breaking/chi-cboe-earnings-20130503,0,929061.story?track=rss

http://www.chicagobusiness.com/article/20130502/NEWS01/130509928/cboe-blames-second-outage-on-move-to-longer-trading-day?utm_source=NEWS01&utm_medium=rss&utm_campaign=chicagobusiness

http://www.chicagotribune.com/business/breaking/chi-cboe-2nd-outage-20130502,0,2170747.story

http://online.barrons.com/article/SB50001424052748703591404578458910638989042.html?mod=BOL_options_home