http://www.cboe.com/blogs/options-hub/2017/11/18/weekend-review-of-volatility-indexes-and-etps—11-13-2017—11-17-2017

http://www.cboe.com/blogs/options-hub/2017/11/18/weekend-review-of-russell-2000-options-and-volatility—11-13-2017—11-17-2017

http://www.msn.com/en-us/money/markets/bitcoin-soars-past-dollar8000-as-technology-shift-concern-vanishes/ar-BBFcwDM

http://www.bloomberg.com/news/articles/2017-11-19/asia-stocks-point-to-declines-bitcoin-hits-record-markets-wrap

http://www.cboe.com/blogs/options-hub/2017/11/17/a-look-at-cboe-bitcoin-(usd)-contract-specs

http://www.msn.com/en-us/money/companies/sears-dials-up-discounts-to-record-levels-as-it-copes-with-slump/ar-BBF4Jh6

http://www.investing.com/news/stock-market-news/top-5-things-that-moved-markets-this-past-week-882012

http://www.marketwatch.com/story/sailpoint-valued-at-more-than-1-billion-as-shares-surge-after-ipo-2017-11-17

http://www.cnbc.com/2017/11/17/bitcoin-price-hits-all-time-high-near-8000-chance-of-hard-fork-remains.html

http://www.theguardian.com/technology/2014/may/19/winklevoss-twins-bitcoin-bigger-than-facebook-investors?CMP=share_btn_tw