http://www.bloomberg.com/news/articles/2016-02-23/japanese-stocks-climb-after-u-s-shares-rebound-with-oil-prices

http://uk.reuters.com/article/oil-markets-volatility-idUKL3N1614YT

http://blogs.barrons.com/focusonfunds/2016/02/22/bullish-gold-options-are-priciest-since-2011/

http://www.bizjournals.com/newyork/news/2016/02/22/nyse-begins-shift-to-new-trading-platform.html

http://money.cnn.com/2016/02/22/news/economy/us-economy-recession-fears-overblown/index.html?iid=hp-stack-dom

http://blogs.reuters.com/breakingviews/2016/02/22/options-market-reveals-depths-of-ukeu-jitters/

http://www.bloomberg.com/news/articles/2016-02-22/europe-s-biggest-derivatives-exchange-halts-trading-on-glitch

http://www.cabot.net/editors/jacob-mintz/analysts-center/options-market-update-2-22-16

http://www.bloomberg.com/news/articles/2016-02-22/tired-of-boogeymen-portrayals-speed-traders-take-to-nyse-floor

http://business.financialpost.com/investing/investing-pro/five-reasons-the-stock-market-is-just-plain-weird

http://www.tradingfloor.com/posts/volatility-update-equities-rally-as-markets-reach-oversold-levels-7146737

http://www.cnbc.com/2016/02/19/options-market-sees-50-chance-of-massive-sp-plunge.html