http://uk.reuters.com/article/2013/12/12/exchanges-cybersecurity-idUKL1N0JQ1KA20131212

http://www.sfgate.com/business/bloomberg/article/VIX-Trader-Buys-5-1-Million-in-Call-Options-to-5059088.php

http://wallstreetsectorselector.com/2013/12/options-math/

http://www.futuresmag.com/2013/12/12/collecting-premium-in-a-choppy-stock-market?t=options

https://theoptionsinsider.com/tradingtechnology/?p=100027794&qcABC=1

http://finance.yahoo.com/news/fischer-seen-bringing-crisis-fighting-002717764.html;_ylt=AlB6cIp831SdEZXevqlLIcihuYdG;_ylu=X3oDMTEwbG81c3I4BG1pdAMEcG9zAzYEc2VjA01lZGlhVG9wU3RvcnlUZW1w;_ylg=X3oDMTBhYWM1a2sxBGxhbmcDZW4tVVM-;_ylv=3

http://blogs.barrons.com/focusonfunds/2013/12/12/gold-stages-another-taper-drop-blame-congress/

http://www.automatedtrader.net/headlines/147029/fia-says-good-risk-controls-widely-used–urges-regulator-to-let–industry-lead-the-way

http://thehill.com/blogs/regwatch/finance/192747-cftc-unveils-position-limits-proposal

http://www.cboeoptionshub.com/2013/12/10/close-short-option-position/

http://blogs.wsj.com/moneybeat/2013/12/11/regulators-to-banks-beware-of-social-media/?mod=WSJ_hp_Markets3up

http://uk.reuters.com/article/2013/12/12/trading-rules-wash-idUKL1N0JQ25X20131212