http://www.nytimes.com/2012/09/09/business/high-frequency-trading-of-stocks-is-two-critics-target.html?_r=1&pagewanted=all

http://online.barrons.com/article/SB50001424053111904294104577631491840049660.html?mod=BOL_columnist_latest_col_art

http://www.investorplace.com/2012/09/investors-have-a-pal-in-ebay/

http://online.wsj.com/article/BT-CO-20120907-713624.html

http://blogs.wsj.com/marketbeat/2012/09/06/fear-fades-and-vix-slides-with-european-stimulus-news/

https://theoptionsinsider.com/unusualactivity/?id=10737

http://www.ifre.com/derivatives-summer-slump-for-options-trading/21039924.article

http://www.tradersmagazine.com/news/NYSE-Options-Amex-Crutchfield-Arca-110250-1.html

http://www.bloomberg.com/news/2012-09-07/u-s-stock-futures-advance-before-payrolls-jobless-data.html?cmpid=yhoo

http://articles.marketwatch.com/2012-09-06/economy/33642069_1_volcker-rule-credit-derivatives-dodd-frank

http://www.finextra.com/news/Fullstory.aspx?newsitemid=24040

http://blogs.wsj.com/marketbeat/2012/09/06/fear-fades-and-vix-slides-with-european-stimulus-news/