http://www.myiris.com/news/market/india-vix-falls-in-morning-trade/20150915093436199

http://www.reuters.com/article/2015/09/14/us-usa-fraud-highspeed-trading-idUSKCN0RE1LD20150914

http://www.bloomberg.com/news/articles/2015-09-15/china-brokers-shut-out-of-own-futures-market-turn-to-singapore

http://www.bloomberg.com/news/articles/2015-09-14/takes-more-than-a-2-trillion-stock-rout-to-ring-recession-bell

http://blogs.barrons.com/focusonfunds/2015/09/14/suddenly-traders-shun-short-vix-etn/

http://www.bloomberg.com/news/articles/2015-09-15/u-s-index-futures-fall-as-investors-await-data-fed-decision

http://www.bloomberg.com/news/articles/2015-09-14/vix-note-used-to-ride-volatility-lower-may-show-more-fear-ahead

http://www.securitieslendingtimes.com/securitieslendingnews/article.php?article_id=220103#.VfcfRJcm8yo

http://www.ise.com/press-room/press-releases/2015/september/sec-publishes-ise-holdings-form-1-application-for-ise-mercury/

http://www.investing.com/analysis/spy-put-call-ratio-drops-hard-heading-into-triple-witching-week-264866

http://www.barrons.com/articles/its-a-great-time-to-sell-puts-on-your-favorite-stocks-1442036658

http://www.bloomberg.com/news/articles/2015-09-13/investors-lose-in-today-s-markets-says-former-nyse-head-grasso