http://www.etftrends.com/2012/03/what-really-happened-with-tvix/ http://www.etftrends.com/2012/03/tvix-falls-more-after-credit-suisse-restarts-issuance/ http://www.etftrends.com/2012/03/why-a-volatility-linked-etn-is-diverging-from-the-vix/