http://tickertape.tdameritrade.com/options/2017/04/greeks-earnings-season-options-language-53043

http://www.cboe.com/blogs/options-hub/2017/04/19/a-case-of-volatility-futures-leading-an-index

http://www.investing.com/news/economy-news/top-5-things-to-know-in-the-market-on-thursday-475708

http://www.bloomberg.com/news/articles/2017-04-19/etfs-seen-creating-market-that-s-both-mindless-and-too-expensive

http://finance.yahoo.com/news/worries-over-trump-policies-cloud-110000462.html

http://www.bloomberg.com/news/articles/2017-04-19/markets-start-to-ponder-the-13-trillion-gorilla-in-the-room

http://www.businessinsider.com/bloomberg-letter-targets-nyse-trading-fee-changes-2017-4

http://www.uncommonwisdomdaily.com/u-s-stocks-expensive-volatile-24240

http://tradinggods.net/trading-gods-blog/vix-daily-update-vix-vxx-rise-stocks-retreat/#

http://finance.yahoo.com/news/profiting-french-election-volatility-193110953.html

http://etfdailynews.com/2017/04/19/well-timed-options-bets-seen-in-vxx/

http://finance.yahoo.com/news/essential-stock-market-data-costs-203012783.html;_ylt=A0LEVvaWpfhYeIQAJHwnnIlQ;_ylu=X3oDMTByMjB0aG5zBGNvbG8DYmYxBHBvcwMxBHZ0aWQDBHNlYwNzYw–