http://www.marketwatch.com/story/walgreens-makes-takeover-bid-for-drug-distributor-amerisourcebergen-2018-02-12

http://www.investing.com/news/economy-news/top-5-things-to-know-in-the-market-on-tuesday-1235752

http://www.cnbc.com/2018/02/12/oil-is-in-a-correction-and-could-plunge-even-further.html

http://www.cnbc.com/2018/02/13/pepsico-earnings-q4-2017.html

http://www.investing.com/news/stock-market-news/lessons-from-the-us-stock-rout-options-hedging-pays-1233431

http://www.cboe.com/blogs/options-hub/2018/02/12/weekend-review-of-vix-options-and-futures-feb-10-2018

http://www.cnbc.com/2018/02/12/the-mysterious-trader-nicknamed-50-cent-made-200-million-last-week-as-the-market-blew-up.html

http://www.investing.com/news/stock-market-news/volatilitys-awakening-spurs-record-long-position-in-vix-futures-1231958

http://www.cnbc.com/2018/02/12/sears-ceo-under-pressure-from-sears-canada-creditors.html

http://www.marketwatch.com/story/bitcoin-inches-closer-to-9000-with-cryptos-higher-across-the-board-2018-02-12

http://www.cnbc.com/2018/02/12/stocks-making-the-biggest-moves-premarket-gd-qsr-foxa-qcom-amzn-f-baba-more.html

http://www.marketwatch.com/story/csras-stock-rockets-after-general-dynamics-buyout-deal-at-a-32-premium-2018-02-12