http://www.nasdaq.com/article/dont-get-blindsided-by-the-next-volatility-outburst-cm327159

http://finance.yahoo.com/news/nyses-york-city-footprint-may-020700913.html

http://www.cboeoptionshub.com/2014/02/17/expanded-trading-hours-spx-viv-q3/

http://www.bloomberg.com/news/2014-02-14/chicago-fed-sees-risk-from-high-speed-trading-in-stock-market.html

http://www.reuters.com/article/2014/02/17/eu-regulation-idUSL6N0LM2PW20140217

https://theoptionsinsider.com/industry/?p=100031110&qcABC=1

http://www.bloomberg.com/news/2014-02-18/fx-traders-facing-extinction-as-computers-replace-humans.html

http://www.wallstreetsectorselector.com/2014/02/vix-etfs-reverse-bears-weekly-vix-etf-report/

http://www.bloomberg.com/news/2014-02-18/swaps-pioneers-recall-wild-west-days-as-trades-go-digital.html

http://www.bankingtech.com/203532/emir-trade-reporting-untrustworthy-incomplete-and-flawed/

http://www.bloomberg.com/news/2014-02-14/volatility-spurs-volume-boon-in-u-s-stocks-with-trading-up-11-.html

http://finance.yahoo.com/news/finra-nasdaq-issue-led-trade-185642158.html