http://www.bloomberg.com/news/2013-02-27/u-s-stock-options-with-biggest-changes-in-implied-volatility.html?cmpid=yhoo

http://www.reuters.com/article/2013/02/27/credit-derivatives-vix-idUSL1N0BRC1F20130227?feedType=RSS&feedName=bondsNews&rpc=43

http://www.thetradenews.com/news/Asset_Classes/Derivatives/HFT_dominance_threatens_less-liquid_US_options.aspx

http://online.barrons.com/article/SB50001424052748704356104578330114089028442.html?mod=BOL_options_home

http://www.tradersmagazine.com/news/FINRA-pulls-in-900K-from-trade-reporting-violations-110940-1.html

http://www.livetradingnews.com/options-trading-alert-mcdonalds-nysemcd-106067.htm#.US5eO1eGVdo

http://www.nasdaq.com/article/vix-jumps-54-in-one-week-cm221015#.US43OlfUSds

http://www.futuresmag.com/2013/02/27/sec-must-file-fraud-suits-sooner-us-supreme-court

http://blogs.barrons.com/emergingmarketsdaily/2013/02/27/what-the-options-market-is-saying-about-chinas-casino-stocks/?mod=yahoobarrons

http://dealbook.nytimes.com/2013/02/26/nominee-for-s-e-c-tries-to-allay-skepticism/

http://blogs.marketwatch.com/thetell/2013/02/26/vix-retreats-sharply-after-spike-its-etfs-fare-better/

http://www.bloomberg.com/news/2013-02-26/cme-positioned-to-compete-as-standalone-firm-duffy-tells-cnbc.html