http://www.cboeoptionshub.com/2014/11/18/trading-markets-part-1-feeling-pressure/

http://www.bloomberg.com/news/2014-11-19/market-manipulation-probe-entangles-chicago-trading-firm.html

http://www.wallstreetandtech.com/trading-technology/exchanges-gain-as-equity-volumes-hit-3-year-high/d/d-id/1317578?&_mc=sm_iwfs_editor_ivyschmerken

http://uk.reuters.com/article/2014/11/18/usa-congress-cybersecurity-idUKL2N0T72R220141118

http://www.ft.com/intl/fastft/238492/nyse-cancels-some-home-depot-trades

http://www.reuters.com/article/2014/11/18/us-financial-regulations-swaps-exclusive-idUSKCN0J22IY20141118

http://www.bloomberg.com/news/2014-11-18/exchange-technology-rules-set-for-first-sec-upgrade-since-1990s.html

http://www.chicagotribune.com/sns-wp-blm-news-bc-markets18-20141118-story.html

http://www.bloomberg.com/news/2014-11-19/game-on-for-bears-as-wal-mart-threatens-gamestop-sales-options.html

http://www.tradersmagazine.com/news/ecns_and_exchanges/tabb-group-says-us-equity-volume-up-29-percent-in-october-to-78b-shares-113137-1.html

http://www.businessweek.com/news/2014-11-18/u-dot-s-dot-index-futures-little-changed-after-s-and-p-500-extends-record

http://www.businessweek.com/news/2014-11-18/volume-approaches-record-year-as-october-disrupts-calm