http://www.marketwatch.com/story/the-events-that-rocked-financial-markets-in-2015-2015-12-22?siteid=yhoof2

http://www.cboeoptionshub.com/2015/12/21/russell-2000-index-options-rut-weeklys-new-pm-settled-expirations/

http://www.insidefutures.com/article/1630777/E-Mini%20S&P%20500:%20%20Santa%20Claus%20rally%20or%20rebound%20from%20oversold%20conditions?.html

http://www.hedgeweek.com/2015/12/22/235009/oversight-derivatives-market-clearly-not-priority

http://www.reuters.com/article/us-jpmorgan-lawsuit-londonwhale-idUSKBN0U41XZ20151221

http://www.bloomberg.com/news/articles/2015-12-22/nabbing-the-rogue-algo-inside-the-year-spoofing-went-mainstream

http://www.cboeoptionshub.com/2015/12/21/weekly-market-outlook-reasons-for-caution-here/

http://www.chicagobusiness.com/article/20151221/NEWS01/151219820/why-are-cme-seats-falling-in-value

http://www.bloomberg.com/news/articles/2015-12-21/indian-bank-call-options-rise-with-hedging-costs-at-one-year-low

http://www.marketwatch.com/story/a-triple-digit-dow-plunge-friday-will-set-mark-for-most-volatile-december-since-2008-2015-12-18

http://www.bloomberg.com/news/articles/2015-12-21/the-big-short-was-only-one-reason-2015-was-the-year-of-the-bears

http://www.reuters.com/article/us-usa-stocks-idUSKBN0U11JM20151219