http://marketrealist.com/2017/04/sp-500-nasdaq-dow-finishes-flat-tuesday-april-4/

http://www.valuewalk.com/2017/04/vix-french-election/

http://www.cboe.com/blogs/options-hub/2017/04/04/vix-vstoxx-and-the-french-election

http://www.barrons.com/articles/reading-the-vix-more-short-term-volatility-than-long-term-1491315156

http://www.thetradenews.com/FinTechQ/Banks-deploy-cloud-technology-to-flush-out-rogue-traders/

http://tickertape.tdameritrade.com/marketupdate/2017/04/cautious-tone-ahead-of-china-meeting-43012

http://in.reuters.com/article/us-euronext-clearing-interconti-exc-idINKBN1750SN

http://www.forbes.com/sites/nathanvardi/2017/04/03/the-machines-are-eating-wall-street/#5bd3ce5f73a3

http://www.marketwatch.com/story/us-stock-futures-dip-with-analysts-blaming-retreat-on-fears-over-trump-xi-summit-2017-04-04?siteid=yhoof2

http://www.thetradenews.com/Technology/Bats-boosts-index-business-with-European-additions/

http://www.marketwatch.com/story/traders-love-this-internet-stock-that-soared-10-monday-and-has-tripled-in-a-year-2017-04-04?siteid=yhoof2

http://www.foxbusiness.com/markets/2017/04/04/wall-street-braces-as-exchanges-seek-ways-to-slow-some-trading.print.html