http://www.chicagotribune.com/news/sns-wp-blm-news-bc-bitcoin18-20150818-story.html

http://www.myiris.com/news/market/india-vix-shows-rise-in-market-volatility/20150819122627199

http://www.nytimes.com/2015/08/19/business/dealbook/after-stock-and-currency-upheaval-china-puzzles-investors.html?_r=0

http://www.bloomberg.com/news/articles/2015-08-19/pimco-clashes-with-options-in-seeing-sept-fed-move-underpriced

http://www.tradersmagazine.com/news/ecns_and_exchanges/cboe-launches-new-hedge-fund-benchmarks-with-eurekahedge-114293-1.html

http://www.cboeoptionshub.com/2015/08/18/implied-volatility-for-the-fxi-china-etf-august-options-jumped-20-the-past-two-days/

http://www.etftrends.com/2015/08/what-rising-volatility-means-for-momentum/

http://online.barrons.com/articles/hedge-chinas-fragile-stock-market-1439858881

http://www.cboeoptionshub.com/2015/08/18/2011-debt-downgrade-the-economic-collapse-that-wasnt/

http://blogs.barrons.com/focusonfunds/2015/08/18/silver-copper-fall-hard-in-commodities-rout/?mod=yahoobarrons&ru=yahoo

http://www.bloomberg.com/news/articles/2015-08-18/cme-futures-draw-more-currency-traders-than-ever-amid-bank-fines

http://www.tradersmagazine.com/news/timetable-for-nasdaq-migration-of-disaster-recovery-site-announced-114286-1.html