http://www.masterdata.com/forum/2007/07/16/masterdatas-complete-etf-download-list-now-classifies-each-etf-into-one-of-5-categories/ MasterDATA compiles composite / breadth data on 30 major stock indexes and the 111 highest trade volume ETFs. Wed, 3 Dec 2008 23:34:42 +0000 http://wordpress.org/?v=2.5.1