http://www.bloomberg.com/news/articles/2016-02-19/wildest-currency-swings-since-2011-curtail-options-strategies-iksxk22b

http://marketrealist.com/2016/02/crude-oil-volatility-index-test-record-high/

http://www.bloomberg.com/news/articles/2016-02-18/u-s-futures-little-changed-after-best-s-p-500-jump-since-august

http://www.bizjournals.com/newyork/news/2016/02/17/after-flash-boys-what-stands-in-the-way-of-a-new.html

http://blogs.barrons.com/focusonfunds/2016/02/18/oil-prices-are-coiled-spring-ready-to-bound-higher/

http://www.thetradenews.com/Buy-side/Headcount-in-trading-slashed-20–over-last-five-years/

http://www.bloomberg.com/news/articles/2016-02-18/iex-speed-bump-seems-to-comply-with-u-s-rules-finra-ceo-says

http://www.mondovisione.com/media-and-resources/news/sandp-dow-jones-indices-market-attributes-risk-and-volatility-feb-18-2016/

http://www.reuters.com/article/us-sec-brokers-idUSKCN0VQ26P

http://www.tradersmagazine.com/news/buyside/how-the-call-put-implied-volatility-spread-options-trade-can-be-profitable-115005-1.html

http://www.foxbusiness.com/features/2016/02/17/cme-s-terry-duffy-think-apple-ceo-cook-made-bad-decision.html

http://www.financemagnates.com/institutional-forex/exchanges/cboe-authorizes-share-repurchase-of-an-additional-100m/