http://www.wallstreetsectorselector.com/investment-articles/editors-desk/2014/04/bears-gore-vix-weekly-vix-etf-report/

http://uk.reuters.com/article/2014/04/18/us-virtu-ipo-idUKBREA3G28320140418

http://www.nasdaq.com/article/winning-with-option-volatility-know-your-options-cm345470

http://online.wsj.com/news/articles/SB10001424052702304626304579508002188325992?mod=rss_whats_news_us&mg=reno64-wsj&url=http%3A%2F%2Fonline.wsj.com%2Farticle%2FSB10001424052702304626304579508002188325992.html%3Fmod%3Drss_whats_news_us

http://www.bloomberg.com/news/2014-04-21/sec-said-to-weigh-shining-light-on-brokers-stock-routing.html

https://theoptionsinsider.com/tradingtechnology/?p=100034051&qcABC=1

http://www.cboeoptionshub.com/2014/04/16/historical-perspective-current-vix-levels/

http://www.thestar.com.my/Business/Business-News/2014/04/17/Lessons-from-CME-trading-outage-Analysis-reveals-traders-have-largely-succeeded-in-replacing-machin/

http://www.moneycontrol.com/news/market-news/new-nse-equity-derivative-rules-may-reduce-volatility_1070370.html

http://www.bloomberg.com/news/2014-04-17/high-frequency-fightback-starts-in-foreign-exchange-currencies.html

http://in.reuters.com/article/2014/04/16/markets-highspeed-investigation-idINL2N0N824C20140416

http://www.automatedtrader.net/news/at/149920/nasdaq-omx-expands-london-presence