http://www.investing.com/analysis/the-s-p-500-hits-more-all-time-highs-floating-on-pillows-of-caution-200191796

http://www.cboe.com/blogs/options-hub/2017/05/28/weekend-review-of-vix-options-and-futures—5-22-2017—5-26-2017

http://www.tradingfloor.com/posts/volatility-update-vix-back-below-10-as-equities-climb-8692237

http://news.morningstar.com/articlenet/article.aspx?id=810698&SR=Yahoo&yptr=yahoo

http://www.marketwatch.com/story/this-stock-market-is-priced-to-sell-2017-05-30?siteid=yhoof2&yptr=yahoo

http://finance.yahoo.com/m/24aedd9a-944d-3d86-bd07-089a14f5d02b/stock-futures-flat%2C-only-a.html

http://mrtopstep.com/implied-volatility-surging-for-snap-snap-stock-options/

http://www.thetradenews.com/Regulation/Traders-not-anticipating-shift-towards-block-trading-post-MiFID-II/

http://www.investing.com/news/stock-market-news/u.s.-stocks-slip-from-record-highs-despite-gdp-beat-489044

http://www.investing.com/analysis/anxiety-levels-rise-ahead-of-weekend-200191593

http://www.futuresmag.com/2017/05/22/cftc-strengthens-anti-retaliation-protections-whistleblowers

http://fortune.com/2017/05/26/hedge-fund-elliott-paul-singer-donald-trump/