http://www.denverpost.com/business/ci_22421239?source=rss

http://www.macworld.co.uk/apple-business/news/?newsid=3421596

http://www.tradersmagazine.com/news/traders-not-worried-about-ice-takeover-of-nyse-110763-1.html

http://www.businessworld.ie/livenews.htm?a=3026039;s=rollingnews.htm

http://www.efinancialnews.com/story/2013-01-21/concerns-over-new-margin-methods-as-clearing-competition-hots-up?mod=sectionheadlines-IB-TT

http://wallstreetsectorselector.com/2013/01/vix-fiscal-cliff-part-three-weekly-vix-etf-report/

http://www.chicagobusiness.com/article/20130121/BLOGS08/130129975/the-unconventional-ways-of-intercontinentalexchange

http://investorplace.com/2013/01/an-options-centric-view-of-apple-earnings/

http://www.foxbusiness.com/news/2013/01/18/finra-scrutinizing-options-firms-over-possible-order-mismarking/

http://www.businessinsider.com/volatility-is-collapsing-right-in-front-of-our-eyes-as-debt-ceiling-fears-fade-2013-1

http://www.finalternatives.com/node/22660

http://www.bloomberg.com/news/2013-01-18/dell-options-show-traders-betting-on-buyout-above-14.html?cmpid=yhoo