http://247wallst.com/2013/01/24/apple-stock-options-volume-more-telling-than-apple-stock-volume/

http://www.bloomberg.com/news/2013-01-24/box-exchange-seeks-ok-for-thousand-share-options-on-s-p-500-etf.html

http://investorplace.com/2013/01/use-options-to-play-rims-bb10-launch/

http://www.thetradenews.com/news/Asset_Classes/Derivatives/Listed_derivatives_trading_slumps_20__in_2012.aspx

http://www.bloomberg.com/video/cheap-and-cheaper-put-options-6oCHPkb4Sim81GrBBt1t1g.html

http://www.nasdaq.com/article/naked-options-is-the-reward-worth-the-risk-cm210264#.UQFg-Gc8JI0

http://wallstreetsectorselector.com/2013/01/bulls-trample-vix-and-vix-etfs/

http://www.bloomberg.com/news/2013-01-24/hedges-against-u-s-yield-rise-surged-before-debt-vote-cme-says.html

http://www.forbes.com/sites/nathanvardi/2013/01/24/apples-stock-drop-might-bite-hedge-funds-badly/

http://www.bloomberg.com/news/2013-01-23/equity-derivatives-trading-falls-first-time-since-2004-wfe-says.html

http://finance.fortune.cnn.com/2013/01/23/bridgewater-returns/

http://online.barrons.com/article/SB50001424052748703684904578259683867706880.html?mod=BOL_hpp_highlight_bottom