http://www.interactivebrokers.com/en/?f=5599&vid=3062

http://www.reuters.com/article/2014/07/25/deutsche-boerse-ise-idUSL6N0Q03X420140725

http://www.thetradenews.com/news/Trading_Venues/Exchanges/Non-trading_earnings_bolster_Nasdaq_and_Deutsche_B%C3%B6rse.aspx

http://dealbook.nytimes.com/2014/07/24/yellen-settles-for-a-slingshot-instead-of-a-shotgun/?_php=true&_type=blogs&module=BlogPost-Title&version=Blog%20Main&contentCollection=Street%20Scene&action=Click&pgtype=Blogs&region=Body&_r=0

http://www.thetradenews.com/news/Asset_Classes/Derivatives/US_mistakes_give_Europe_a_clearer_picture.aspx

http://online.barrons.com/news/articles/SB50001424053111904780504580049460280087400

http://www.bloomberg.com/news/2014-07-24/lme-plans-network-service-geared-to-high-frequency-trade.html

http://www.businessweek.com/articles/2014-07-24/high-frequency-traders-find-microwaves-suit-their-need-for-speed

http://www.bloomberg.com/news/2014-07-25/time-warner-deal-anxiety-spreads-as-bearish-options-climb.html

http://blogs.wsj.com/moneybeat/2014/07/24/options-show-rising-concern-over-high-yield-bond-etf/

http://blogs.wsj.com/moneybeat/2014/07/24/facebook-shares-to-100-options-traders-weigh-the-odds/

http://blogs.wsj.com/moneybeat/2014/07/24/options-suggest-amazons-results-wont-cause-big-drop-this-time/