http://www.bloomberg.com/news/articles/2018-02-06/hedge-funds-now-look-prescient-after-cutting-short-vol-positions

http://www.investing.com/news/commodities-news/natural-gas-futures-slide-to-6week-lows-as-downtrend-continues-1203000

http://www.marketwatch.com/story/us-trade-deficit-in-trumps-first-year-soars-to-9-year-high-of-566-billion-2018-02-06?mod=bnbh

http://www.investing.com/news/commodities-news/gold-prices-hold-onto-gains-in-riskoff-trade-1202688

http://www.cnbc.com/2018/02/06/the-obscure-volatility-security-thats-become-the-focus-of-this-sell-off-is-halted-after-an-80-percent-plunge.html

http://www.cnbc.com/2018/02/06/stocks-making-the-biggest-moves-premarket-gm-agn-tpr-cnc-wcg-bdx-more.html

http://www.cnbc.com/2018/02/06/general-motors-q4-2017-earnings.html

http://www.investing.com/news/economy-news/top-5-things-to-know-in-the-market-on-tuesday-1201553

http://www.cnbc.com/2018/02/06/us-stock-futures-dow-data-earnings-market-sell-off-and-politics-on-the-agenda.html

http://www.cnbc.com/2018/02/06/key-measure-of-market-volatility–the-vix–jumps-above-50-highest-level-since-aug-2015.html

http://www.marketwatch.com/story/bitcoin-slumps-to-6300-as-global-equity-rout-casts-a-shadow-2018-02-06