http://www.businessweek.com/news/2014-12-22/volatility-tempests-getting-more-common-in-u-dot-s-dot-equities

http://leaprate.com/2014/12/cme-group-fines-three-firms-for-automated-trading-violations/

http://www.bloomberg.com/news/2014-12-18/traders-boost-europe-hedges-on-wildest-swings-since-12-options.html

http://blogs.barrons.com/focusonfunds/2014/12/18/exchanges-investigate-potentially-erroneous-last-second-trades-in-sp-500-etf/?mod=yahoobarrons&ru=yahoo

http://www.wsj.com/articles/bats-opposes-nyse-owners-stock-market-reform-plan-1418933375

http://www.bloomberg.com/news/2014-12-18/fed-grants-banks-two-year-delay-of-volcker-ban-on-private-funds.html

http://www.businessweek.com/news/2014-12-18/oil-rebounds-from-5-year-low-as-market-most-volatile-since-2011

http://blogs.wsj.com/moneybeat/2014/12/18/apples-stock-split-may-have-hurt-the-appeal-of-mini-options/

http://www.bloomberg.com/news/2014-12-18/royal-bank-to-pay-35-million-to-end-cftc-wash-trade-suit.html

http://www.bloomberg.com/news/2014-12-19/u-s-stock-index-futures-pare-gains-after-s-p-500-two-day-rally.html

http://www.reuters.com/article/2014/12/18/russia-fund-options-idUSL1N0U21MA20141218

http://www.tradersmagazine.com/news/algos_dma/treasuries-hurt-when-breaking-news-hits-speed-trader-study-113258-1.html