Tag: AIXG

Tom Konrad CFA Graphene is going to transform clean tech in less than five years. That, at least, is the opinion of the majority of the respondents to my reader poll about how graphene is likely to affect clean tech stocks.  This is in marked contrast to the caution expressed by the the responses from my panel of professional money managers who invest in clean tech stocks. (Their responses are the subject of a previous article on graphene investing.) I think Shawn Kravetz, President of Esplanade Capital,  LLC, and manager of solar-focused hedge...

Tom Konrad CFA Last week, a prominent display of $10 LED light bulbs from Cree, Inc. (NASD:CREE) arrested my attention as I entered a home improvement store. These were officially launched in March, and are similar to a 40 watt-equivalent bulb I bought in 2009.  I still have that bulb, which I use for outdoor lighting, because Compact Fluorescent Lights (CFLs) take too long to warm up in the winter.  It’s still going strong.  The only problem: it cost $50, and used as much energy as a CFL for the same amount of light. Four years later, we have...