http://www.efinancialnews.com/story/2012-10-29/equities-trading-bounces-back

http://www.chicagobusiness.com/article/20121029/NEWS01/121029818/cme-cboe-other-markets-closed-for-hurricane-sandy-over-400-local

http://www.reuters.com/article/2012/10/29/us-storm-sandy-markets-factbox-idUSBRE89S02M20121029

http://www.suntimes.com/news/metro/16024224-418/hurricane-closes-stock-market-and-cboe.html

http://www.waterstechnology.com/buy-side-technology/opinion/2220089/increased-electronic-trading-in-futures-means-major-it-upgrades-needed

http://seekingalpha.com/article/950961-how-to-trade-apple-earnings-with-options

http://www.reuters.com/article/2012/10/26/us-markets-grains-hours-idUSBRE89P0EZ20121026

http://www.reuters.com/article/2012/10/25/us-nasdaq-etfinav-idUSBRE89O1P120121025

https://theoptionsinsider.com/unusualactivity/?p=100002650&qcABC=1

http://www.washingtonpost.com/business/economy/is-high-frequency-trading-a-threat-to-stock-trading-or-a-boon/2012/10/25/9c39ff96-1865-11e2-a55c-39408fbe6a4b_story.html

http://www.bloomberg.com/news/2012-10-25/cftc-said-to-allow-more-swaps-trading-via-phone-in-final-rule.html

http://www.hedgeco.net/news/10/2012/hedge-fund-advisors-plan-to-increase-use-of-etfs.html