http://seekingalpha.com/article/1110521-the-relationship-between-open-interest-in-vix-futures-and-the-s-p-500

http://www.nypost.com/p/news/business/nyse_ice_age_3W9TFttC5MCXcCXjuYatZI

http://seekingalpha.com/article/1107741-vix-about-to-rise#comments_header

http://online.barrons.com/article/SB50001424052748703792204578219751890990848.html?mod=BOL_twm_mw

http://cnnfn.cnn.com/2013/01/14/investing/hedge-fund-returns/

http://www.bloomberg.com/news/2013-01-14/bats-violations-highlight-hazards-as-flows-to-funds-hit-record.html

http://blogs.wsj.com/marketbeat/2013/01/11/options-traders-discard-safety-net-as-stocks-rise/

http://wallstreetsectorselector.com/2013/01/vix-fiscal-cliff-grows-deeper-weekly-vix-etf-report/

http://www.advancedtrading.com/exchanges/are-exchange-system-errors-the-new-norma/240146093

http://finance.yahoo.com/blogs/michael-santoli/bats-glitch-shows-stock-trading-too-complex-not-195039106.html

http://www.bloomberg.com/news/2013-01-11/vix-futures-open-interest-increases-to-record-high-cboe-says.html

http://www.futuresmag.com/2013/01/11/ices-sprecher-discusses-nyse-deal?ref=hp