http://www.reuters.com/article/us-usa-stocks-weekahead-idUSKCN0V02I1

http://www.bloomberg.com/news/articles/2016-01-23/weekly-gain-in-u-s-stocks-not-enough-to-get-ubs-bull-running

http://www.bloomberg.com/gadfly/articles/2016-01-22/stock-markets-are-not-repeating-the-2008-financial-crisis

http://finance.yahoo.com/news/stock-futures-higher-oil-surges-123725592.html

http://www.fiercefinanceit.com/story/cboe-roll-out-next-generation-trading-platform-late-summer/2016-01-21

http://www.bloomberg.com/news/articles/2016-01-22/what-rout-european-stocks-will-rebound-20-strategists-say

http://www.barrons.com/articles/ge-is-a-smart-trade-in-a-turbulent-stock-market-1453397546

http://www.nasdaq.com/article/noteworthy-thursday-option-activity-ulta-isrg-bzh-cm568766

http://www.bloomberg.com/news/articles/2016-01-21/oil-extends-gain-near-30-after-weekly-u-s-crude-inventory-data

http://www.reuters.com/article/us-oil-options-idUSKCN0UZ2F1

http://www.bloomberg.com/news/articles/2016-01-21/iex-s-exchange-quest-spurs-a-flash-boys-fight-with-citadel

http://www.wsj.com/articles/exchanges-clash-with-regulators-over-market-manipulation-case-1453324898