http://www.bloomberg.com/news/2013-02-12/nasdaq-talks-with-carlyle-signal-exchange-takeovers-not-over-yet.html?cmpid=yhoo

http://www.tradersmagazine.com/news/stock-trading-volume-up-7-percent-down-7-percent-110877-1.html

http://news.cnet.com/8301-13579_3-57568822-37/judge-accelerates-hedge-funds-lawsuit-against-apple/

http://www.bloomberg.com/news/2013-02-11/the-sec-s-dangerous-liaisons.html

http://www.businessinsider.com/vix-volatility-reversion-to-mean-2013-2

http://www.forbes.com/sites/kitconews/2013/02/11/speculators-buy-up-precious-base-metals-futures-options-cftc/

https://theoptionsinsider.com/industry/?p=100008924&qcABC=1

http://blogs.wsj.com/marketbeat/2013/02/11/chairmans-stock-sale-has-bears-sniffing-out-google-options/?mod=yahoo_hs

http://finance.yahoo.com/news/e-c-revolving-door-hurts-050133881.html

http://www.bloomberg.com/news/2013-02-11/nasdaq-omx-shares-surge-on-report-of-talks-with-carlyle-1-.html?cmpid=yhoo

http://www.reuters.com/article/2013/02/11/commodity-traders-study-idUSL5N0BA5Y520130211?feedType=RSS&feedName=rbssFinancialServicesAndRealEstateNews&rpc=43

http://www.automatedtrader.net/news/exchange-news/142142/nyse-euronexts-new-york-block-exchange-to-close