http://www.thestreet.com/story/13024994/1/yahoo-surges-after-announcing-tax-free-spinoff-of-alibaba.html?kval=dontmiss

http://www.forbes.com/sites/narrativescience/2015/01/27/earnings-increase-expected-for-nasdaq-omx-group/

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

http://www.reuters.com/article/2015/01/27/us-eu-usa-derivatives-idUSKBN0L02BM20150127

http://www.marketwatch.com/story/apples-stock-options-point-to-unusual-post-earnings-volatility-2015-01-27

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