http://online.barrons.com/article/SB50001424052748704372504578284083044727890.html?ru=yahoo&mod=yahoobarrons#articleTabs_article%3D1

http://www.businessinsider.com/goldman-where-the-sp-500-trading-volume-went-2013-2

http://online.barrons.com/article/SB50001424052748704372504578284083044727890.html?mod=BOL_columnist_latest_col_art#articleTabs_article%3D1

http://www.businessinsider.com/monte-paschi-qa-with-elisa-martinuzzi-2013-2

http://www.fortmilltimes.com/2013/02/11/2488808/nyse-euronext-announces-trading.html

http://www.telegraph.co.uk/finance/newsbysector/mediatechnologyandtelecoms/9856573/Wall-St-hedge-fund-manager-tries-to-force-Apple-to-share-out-its-137bn-cash-pile.html

http://www.fool.com/investing/general/2013/02/09/is-the-options-market-betting-against-apples-recen.aspx

http://seekingalpha.com/article/1169001-how-to-profit-from-vix-etns-and-futures-contracts?source=google_news

http://seekingalpha.com/article/1169261-vix-options-volatility-and-market-sonar-friday-recap?source=google_news

http://blogs.wsj.com/marketbeat/2013/02/08/apple-options-pricing-in-moderate-dividend-increase-in-wake-of-einhorn-suit/

http://www.advancedtrading.com/managingthedesk/hedge-fund-performance-expected-to-climb/240147961

http://online.wsj.com/article/SB10001424127887324445904578286524225644936.html?mod=googlenews_wsj