http://www.bloomberg.com/news/2014-04-21/u-s-index-futures-are-little-changed-after-s-p-500-jump.html

http://www.wired.com/2014/04/michael-lewis-on-how-the-geeks-rigged-the-stock-market/

http://blogs.wsj.com/moneybeat/2014/04/21/options-market-predicting-big-move-in-netflix-shares-this-week/

http://www.efinancialnews.com/story/2014-04-21/countdown-to-a-new-era-in-otc-derivatives-trading?ea9c8a2de0ee111045601ab04d673622

http://nypost.com/2014/04/20/struggling-nyse-lobbies-against-high-frequency-trading/

http://uk.reuters.com/article/2014/04/21/uk-insidertrading-appeal-idUKBREA3K04D20140421

http://www.bloomberg.com/news/2014-04-18/bofa-nyse-brokerages-sued-in-high-frequency-trading-case.html

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