http://www.chicagotribune.com/business/sns-rt-us-apple-earnings-optionsbre90m13z-20130123,0,2865112.story

http://blogs.wsj.com/marketbeat/2013/01/23/apple-options-straddle-anticipates-big-post-earnings-stock-swing/

http://www.bloomberg.com/news/2013-01-23/vix-may-still-be-too-high-chart-of-the-day.html

http://www.foxbusiness.com/investing/2013/01/22/high-frequency-trading-clear-and-present-danger/

http://www.reuters.com/article/2013/01/22/cme-graintrade-idUSL4N0AR4FA20130122

http://finance.yahoo.com/blogs/the-exchange/time-sensible-derivatives-regulation-012301989.html

http://en.europeonline-magazine.eu/head-of-italys-banking-body-resigns-over-derivatives-scandal_260069.html

http://www.nytimes.com/2013/01/23/business/global/robin-hood-trading-tax-nudged-forward-by-europe.html?_r=1&

http://www.fool.com/investing/general/2013/01/22/what-the-options-market-thinks-about-apple-earning.aspx

http://blogs.wsj.com/marketbeat/2013/01/22/options-traders-looking-for-5-4-post-earnings-google-move/

http://investorplace.com/2013/01/how-to-capitalize-on-the-collapsing-vix/

http://www.tradersmagazine.com/news/deutsche-boerse-not-losing-sleep-about-ice-as-trading-rival-110762-1.html