http://seekingalpha.com/article/2144453-vxx-and-high-frequency-trading

http://forexmagnates.com/high-frequency-trading-analysis-of-an-industry-game-changer/

http://www.bloomberg.com/news/2014-04-16/eu-must-balance-market-transparency-with-liquidity-lobby.html

http://www.agweb.com/article/when_electronic_trading_goes_dark_NAA_Sara_Schafer/

http://finance.yahoo.com/news/defunct-bitcoin-exchange-mt-gox-060424090.html

http://business.financialpost.com/2014/04/14/high-frequency-talker-author-of-flash-boys-has-succeeded-in-demonizing-an-innovation-that-saves-investors-9-billion-a-year/

http://in.reuters.com/article/2014/04/16/nse-idINKBN0D20AD20140416

http://www.businessweek.com/news/2014-04-16/leighton-bears-at-two-year-high-as-hochtief-lifts-stake-options

http://www.cboeoptionshub.com/2014/04/15/gamma-volatility-gets-pasted-now/

http://www.businessweek.com/news/2014-04-16/nyse-owner-said-to-buy-algo-technologies-to-modernize-exchange

http://ca.reuters.com/article/businessNews/idCABREA3F08N20140416

http://blogs.reuters.com/alison-frankel/2014/04/14/the-dubious-new-high-frequency-trading-case-against-the-merc/