http://www.minyanville.com/special-features/daily-recap/articles/stock-market-recap-greece-oil-ukraine/2/9/2015/id/55965

http://uk.reuters.com/article/2015/02/10/uk-usa-banks-probes-idUKKBN0LE0CH20150210

http://www.chicagotribune.com/news/sns-wp-blm-news-bc-markets09-20150209-story.html

http://www.ft.com/intl/cms/s/0/eb60169c-b0ab-11e4-9b8e-00144feab7de.html?siteedition=intl#axzz3RLk54BGz

http://www.bloomberg.com/news/articles/2015-02-09/hedge-fund-short-vix-trade-going-out-of-style-amid-greece-oil

http://www.thetradenews.com/news/Regions/Europe/Europe_s_open_access_rules_pose_threat_to_end-users,_says_ICE_chief.aspx

http://www.forbes.com/sites/greatspeculations/2015/02/09/late-surge-in-trade-volumes-leads-to-profitable-quarter-for-cme/

http://blogs.barrons.com/focusonfunds/2015/02/06/lots-of-volatility-but-running-in-place/

http://www.globalcapital.com/article/q5wjkgmm7qgz/cboe-to-expand-vix-spx-options-trading

http://www.etftrends.com/2015/02/options-market-forecasts-upside-for-energy-etfs/

http://www.businesstimes.com.sg/stocks/china-options-debut-gives-traders-tool-to-hedge-volatile-stocks

http://www.reuters.com/article/2015/02/08/us-volatility-options-idUSKBN0LC0FA20150208