http://tickertape.tdameritrade.com/options/2016/05/volatility-update-brazil-win-volatility-gold-75392

http://finance.yahoo.com/news/cboe-holdings-announces-2016-annual-171500306.html

http://www.bloomberg.com/news/articles/2016-05-19/brodsky-cboe-chairman-who-took-exchange-public-to-retire?cmpid=yhoo.headline&yptr=yahoo

http://www.thetradenews.com/Sell-side/Lack-of-trading-activity-set-to-hurt-bank-revenues-in-Q2/

http://www.marketwatch.com/story/why-now-is-the-time-to-be-a-bull-in-chinas-shop-2016-05-19?siteid=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A%20marketwatch%2Ffinancial%20%28MarketWatch.com%20-%20Financial%20Services%20Industry%20News%29

http://www.marketwatch.com/story/why-optimism-for-stocks-on-wall-street-is-fadingfast-2016-05-19?siteid=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A%20marketwatch%2Ffinancial%20%28MarketWatch.com%20-%20Financial%20Services%20Industry%20News%29

http://www.marketwatch.com/story/nyse-trading-glitch-hits-nearly-200-securities-2016-05-18?siteid=yhoof2

http://www.bloomberg.com/news/articles/2016-05-18/fed-puts-june-rate-increase-on-table-provided-economy-says-go

http://www.swissinfo.ch/eng/bloomberg/trading-floors–quiet–as-revenue-drops–jpmorgan-analysts-say/42164966