http://www.bloomberg.com/news/articles/2017-02-21/robot-traders-jolt-life-into-slow-speed-european-stock-exchange

http://finance.yahoo.com/news/stock-futures-hit-record-highs-123232177.html

http://marketrealist.com/2017/02/solid-performance-sp-500-nasdaq-dow-enter-week-optimism/

http://www.pionline.com/article/20170220/PRINT/302209989/investors-are-not-out-of-the-woods-despite-delay-in-otc-margin-rule

http://www.bloomberg.com/news/articles/2017-02-21/india-loosens-derivatives-limits-widening-market-for-foreigners

http://www.businessinsider.com/andrea-orcel-ubs-on-how-to-manage-uncertainty-2017-2

http://www.cboe.com/blogs/options-hub/2017/02/21/weekend-review-of-volatility-indexes-and-etps—2-13—2-17

http://www.marketwatch.com/story/that-curiously-low-level-for-wall-streets-fear-index-why-its-not-a-sell-signal-2017-02-21

http://seekingalpha.com/article/4047537-bet-volatility-2017

http://finance.yahoo.com/news/stock-futures-dip-wall-street-124451261.html

http://www.marketwatch.com/story/the-market-begins-to-catch-up-to-the-fed-on-rate-hike-views-2017-02-17?siteid=yhoof2

http://www.marketwatch.com/story/the-stock-market-is-doing-so-much-winning-wall-street-is-thinking-nasdaq-6000-2017-02-15?siteid=yhoof2