http://www.bloomberg.com/news/articles/2015-02-23/yellen-faces-congress-amid-direst-threat-to-fed-since-dodd-frank

http://www.tradersmagazine.com/news/ecns_and_exchanges/pattern-of-disobedience-at-direct-edge-said-to-spur-record-fine-113498-1.html

http://www.bloomberg.com/news/articles/2015-02-20/high-frequency-trader-virtu-extends-nearly-unblemished-streak

http://www.reuters.com/article/2015/02/20/cme-newedge-penalty-idUSL1N0VU1TU20150220

http://www.bloomberg.com/news/articles/2015-02-23/europe-s-stock-rally-fails-to-damp-anxiety-over-greece-options

http://www.thetickertape.com/perspectives-options/2015/02/options-markets-human-interaction-90311/

http://www.nasdaq.com/article/as-spoof-trading-persists-regulators-clamp-down-20150222-00066

http://marketsmedia.com/best-options-exchange-cboe/

http://www.bloomberg.com/news/articles/2015-02-20/u-s-stock-index-futures-little-changed-with-s-p-500-near-record

http://blogs.wsj.com/moneybeat/2015/02/20/etfs-to-protect-against-rate-increases-make-their-debut/

http://www.reuters.com/article/2015/02/20/nfa-chairman-term-idUSL1N0VU01P20150220

http://www.bloombergview.com/articles/2015-02-19/finance-can-play-a-bigger-role-in-fixing-climate-change-