http://www.tradersmagazine.com/news/ecns_and_exchanges/deutsche-boerses-new-ceo-likes-formidable-us-market-114199-1.html

http://www.marketwatch.com/story/twitter-wants-to-change-but-timeline-spooks-investors-2015-07-28?siteid=yhoof2

http://www.cboeoptionshub.com/2015/07/28/options-strategy-swing-trading-with-variable-weighting/

http://www.bulliondesk.com/gold-news/focus-options-volatility-fails-to-match-gold-selloff-intensity-98431/

http://www.bloomberg.com/news/articles/2015-07-28/fear-of-missing-out-sees-japan-stock-investors-pay-more-for-puts

http://www.bloomberg.com/news/articles/2015-07-29/traders-score-with-buy-write-options-strategy-tuned-to-u-s-calm

http://www.chicagotribune.com/news/sns-wp-blm-news-bc-markets28-20150728-story.html

http://www.cboeoptionshub.com/2015/07/28/markets-feel-normal-again-maybe/

http://www.tradersmagazine.com/news/regulation/clock-is-ticking-for-decision-on-landmark-insider-trading-ruling-114195-1.html

http://www.thetradenews.com/news/Asset_Classes/Equities/Trade_reporting_fines_rolling_in.aspx

http://blogs.wsj.com/moneybeat/2015/07/28/twitter-earnings-options-market-bets-on-shares-surging/

http://www.reuters.com/article/2015/07/28/us-usa-options-socialmedia-idUSKCN0Q21SV20150728