http://www.reuters.com/article/us-lse-m-a-deutsche-borse-idUSKCN1001ZU

http://www.barrons.com/articles/3-reasons-to-worry-that-stock-rallys-end-is-near-1469050014

http://www.insidefutures.com/article/1751770/The%20VIX%20futures%20contract%20is%20waving%20a%20massive%20red%20flag.html

http://www.forbes.com/sites/fredoltarsh/2016/07/21/gold-retreats-as-stocks-continue-to-rally-followers-of-soros-may-not-be-so-happy/#38a460c67fbe

http://tickertape.tdameritrade.com/options/2016/07/volatility-update-vix-trades-one-extreme-to-another-45536

http://marketsmedia.com/traders-employ-technology-trade-volatility/

http://etfdailynews.com/2016/07/21/why-we-may-never-see-high-volatility-again/

http://tradinggods.net/trading-gods-blog/us-stocks-resume-uptrend-amid-positive-earnings/

http://blogs.barrons.com/focusonfunds/2016/07/20/the-vix-is-crazy-low-but-that-doesnt-tell-you-much/

http://www.marketwatch.com/story/dow-average-set-for-7th-straight-record-as-microsoft-rallies-after-earnings-2016-07-20?siteid=yhoof2

http://seekingalpha.com/article/3989741-ford-bullish-options-bets-ahead-earnings

http://blogs.wsj.com/moneybeat/2016/07/20/the-vix-is-at-its-lowest-point-in-a-year-but-dont-get-complacent-just-yet/