http://www.bloomberg.com/news/articles/2016-02-11/exchanges-object-to-brokers-gaining-more-stock-market-oversight

http://www.bloomberg.com/news/articles/2016-02-12/rate-volatilities-catch-up-with-equity-as-riskoff-takes-hold-analysis

http://tickertape.tdameritrade.com/options/2016/02/volatility-spx-term-structure-75922

http://finance.yahoo.com/news/wall-st-tumbles-open-global-growth-worries-144816513–finance.html

http://www.futuresmag.com/2016/02/11/yellen-fed-wont-change-their-minds

http://www.thetradenews.com/Asset-Classes/Fixed-income/Traders-laid-off-as-Goldman-swings-axe-on-fixed-income/

http://www.businessinsider.com/wall-street-trading-jobs-over-past-five-years-2016-2

http://www.bloomberg.com/news/articles/2016-02-10/cftc-too-broke-to-properly-police-flash-traders-massad-says

http://www.reuters.com/article/usa-sec-swaps-idUSL2N15P0OW

http://sonoranweeklyreview.com/cme-group-incs-trend-down-especially-after-this-options-activity/

http://www.bloomberg.com/news/articles/2016-02-11/no-respite-for-s-p-500-as-u-s-stock-futures-join-global-selloff

http://blogs.wsj.com/moneybeat/2016/02/10/options-traders-bet-on-bumpy-ride-for-tesla/