links for 2009-04-22 Posted on April 23, 2009 by del.icio.us Bruce Perens – A Cyber-Attack on an American City (tags: via:nielsen infrastructure p2p terrorism targets security disintermediation collaboration ham-radio makers emergency-preparedness) Leveraged ETFs: New Source of Systemic Risk — Seeking Alpha "In short, leveraged ETFs, as assets increase, represent a new source of systemic risk in the market as their managers rebalance them at market close every day." (tags: trading finance risk risk-management portfolio-theory financial-crisis)
