http://www.bloomberg.com/news/articles/2015-07-28/euro-s-rebound-backed-by-biggest-turnaround-in-options-since-03

http://www.reuters.com/article/2015/07/28/deutsche-boerse-ise-sale-idUSL5N1083BG20150728

http://blogs.wsj.com/moneybeat/2015/07/28/morning-moneybeat-china-a-focal-point-as-fed-begins-policy-meeting/

http://www.bloomberg.com/news/articles/2015-07-27/betting-that-it-can-t-get-any-worse-for-german-automaker-stocks

http://www.reuters.com/article/2015/07/27/deutsche-boerse-ma-idUSL5N1072IZ20150727

http://investorplace.com/2015/07/fb-earnings-preview-straddle-facebook-stock-with-options/#.Vbd6Cvkm8yo

http://www.reuters.com/article/2015/07/27/us-markets-commodities-rout-idUSKCN0Q11TJ20150727

http://blogs.wsj.com/moneybeat/2015/07/27/will-option-traders-pin-gold-to-1100oz/

http://www.bloomberg.com/news/articles/2015-07-27/former-steinway-owner-places-15-options-bet-on-aeropostale

http://www.cboeoptionshub.com/2015/07/27/where-is-the-floor-weekly-market-outlook/

http://www.reuters.com/article/2015/07/27/us-goldman-sachs-finra-fine-idUSKCN0Q11LC20150727

http://www.marketwatch.com/story/shanghai-plunges-8-on-worries-beijing-is-ratcheting-down-inflows-2015-07-27