http://www.nasdaq.com/article/cmes-duffy-were-doing-a-little-bit-of-work-looking-at-bitcoins–fox-business-20140227-00837

http://www.cboeoptionshub.com/2014/02/26/vix-futures-think-current-levels-fair/

http://blogs.wsj.com/moneybeat/2014/02/27/for-tesla-bullish-options-its-pedal-to-the-metal/

http://www.marketwatch.com/story/why-a-stressed-out-trader-is-a-wimpy-one-2014-02-27?mod=latestnewssocialflow&link=sfmw

http://bluesky.chicagotribune.com/originals/chi-trading-technologies-universities-bsi%2C0%2C0.story

http://www.bloombergview.com/articles/2014-02-27/levine-on-wall-street-it-s-all-derivatives

http://uk.reuters.com/article/2014/02/26/sec-enforcement-palantir-idUKL1N0LV1LZ20140226

https://theoptionsinsider.com/industry/?p=100031635&qcABC=1

http://online.barrons.com/article/SB50001424053111904148504579406922481773840.html?mod=BOL_twm_da

http://www.reuters.com/article/2014/02/26/cftc-nominations-idUSL1N0LV23120140226

http://www.cboeoptionshub.com/2014/02/26/call-stupid-avnr/

http://www.businessweek.com/news/2014-02-26/cme-ex-ceo-tackles-options-market-risk-in-new-clearinghouse-role