http://www.cnbc.com/2017/12/17/worlds-largest-futures-exchange-set-to-launch-bitcoin-futures-sunday-night.html

http://www.investing.com/news/commodities-news/gold–silver–copper-prices–weekly-outlook-december-11–15-1001133

http://www.investing.com/news/forex-news/forex–weekly-outlook-december-18–22-1001170

http://www.investing.com/news/commodities-news/crude-oil-prices–weekly-outlook-december-18–22-1001082

http://www.msn.com/en-us/money/companies/sears-is-teetering-on-the-edge-of-bankruptcy-and-kmart-could-be-its-first-casualty/ar-BBGO9co?li=BBnbfcN

http://www.cboe.com/blogs/options-hub/2017/12/17/weekend-review-of-volatility-indexes-and-etps—12-11-2017—12-15-2017

http://www.investing.com/news/economy-news/economic-calendar–top-5-things-to-watch-this-week-1001054

http://www.cboe.com/blogs/options-hub/2017/12/16/weekend-review-of-russell-2000-options-and-volatility—12-11-2017—12-15-2017

http://www.cboe.com/blogs/options-hub/2017/12/16/weekend-review-of-vix-futures-and-options—12-11-2017—12-15-2017

http://www.marketwatch.com/story/here-come-cme-bitcoin-futures-what-you-need-to-know-2017-12-15

http://www.marketwatch.com/story/all-main-stock-indexes-close-at-records-ahead-of-gop-tax-bill-draft-2017-12-15