http://blogs.barrons.com/stockstowatchtoday/2015/01/27/confused-volatility-main-street-bullish-wall-street-bearish/

http://www.bloomberg.com/news/2015-01-27/gooch-urges-gfi-investors-to-support-cme-group-s-takeover-offer.html

http://www.reuters.com/article/2015/01/26/us-yahoo-options-idUSKBN0KZ28D20150126

http://www.bloomberg.com/news/2015-01-27/put-call-hedges-on-indian-bank-shares-surge-to-three-year-high.html

http://www.bloomberg.com/news/2015-01-26/alleged-russian-spy-ring-subject-of-u-s-charges-in-manhattan.html

http://www.dw.de/sierens-china-shanghai-exchange-inches-nervously-toward-options-rollout/a-18216084

http://www.businessweek.com/news/2015-01-26/apple-is-hedging-against-one-of-the-main-threats-on-the-tech-sector-the-surging-dollar

http://online.barrons.com/articles/yahoo-earnings-how-to-trade-alibaba-stake-announcement-1422319693

http://blogs.wsj.com/moneybeat/2015/01/27/morning-moneybeat-why-the-vix-isnt-telling-the-whole-story/

http://blogs.barrons.com/stockstowatchtoday/2015/01/26/goldman-says-naptime-for-put-sales/