http://www.thetradenews.com/News/Operations___Technology/Pre___post_trade_reporting/Derivatives_market_concerned_by_trade_reporting_costs.aspx

http://www.bloomberg.com/news/articles/2015-07-09/nyse-sec-said-to-suspect-software-update-triggered-trading-halt

http://www.bloomberg.com/news/articles/2015-07-08/fed-increase-little-more-than-coin-flip-for-derivative-traders-ibv8ceun

http://www.npr.org/sections/thetwo-way/2015/07/08/421234619/glitches-galore-a-brief-history-of-technical-problems-on-wall-street

http://abc7chicago.com/technology/why-didnt-nyse-switch-to-its-secret-servers-in-chicago-/836335/

http://investorplace.com/2015/07/stocks-slump-after-nyse-halt/#.VZ5uDPkm8yo

http://www.theguardian.com/business/2015/jul/08/new-york-stock-exchange-shutdown-traders

http://www.nbcnews.com/business/markets/new-york-stock-exchange-halts-trading-all-symbols-n388711

http://www.bloomberg.com/news/articles/2015-07-08/greece-too-distressed-for-distressed-debt-funds-as-default-looms

http://finance.yahoo.com/news/nyse-suspends-trading-securities-due-185344996.html