http://www.reuters.com/article/2014/09/19/occ-chief-retirement-idUSL1N0RK29M20140919

http://www.bloomberg.com/news/2014-09-19/nyse-two-for-two-on-mega-tech-ipos-as-alibaba-goes-without-hitch.html

http://www.interactivebrokers.com/en/?f=5599&vid=3734

http://www.reuters.com/article/2014/09/19/us-alibaba-ipo-orders-idUSKBN0HE1LU20140919

http://www.nytimes.com/2014/09/20/business/despite-the-excitement-theres-reason-to-think-twice-on-alibaba-.html

http://www.ft.com/intl/cms/s/0/1b4213a2-3fd6-11e4-936b-00144feabdc0.html?siteedition=intl#axzz3Dlbe0WHQ

http://www.marketwatch.com/story/another-sign-its-been-a-tough-year-for-high-frequency-trading-2014-09-18

http://dealbook.nytimes.com/2014/09/19/live-blog-tracking-the-giant-alibaba-i-p-o/?_php=true&_type=blogs&src=twt&twt=nytimesdealbook&_r=0#the-scene-outside-the-new-york-stock-exchange

http://investorplace.com/2014/09/big-move-for-baba-alibaba-ipo/#.VBwnXxbCei8

http://marketsmedia.com/futures-swaps-seek-happy-medium/

http://www.cnbc.com/id/102014505

http://www.reuters.com/article/2014/09/18/alibaba-ipo-options-yahoo-idUSL1N0RJ2M920140918