HVYW just getting started, News,Low Float, money in the making. http://www.resourceinvestor.com/2012/06/12/why-warren-buffett-is-loading-up-on-tungsten http://www.moneyweek.com/investments/commodities/industrial-metals/warren-buffett-investing-in-tungsten-22500 http://www.theglobeandmail.com/report-on-business/video-why-warren-buffett-likes-tungsten/article4171802/ http://features.blogs.fortune.cnn.com/tag/warren-buffett/