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September 5, 2008 5:49:06 PM CDT

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Is There a Solar Bubble?

Posted May 22, 08 4:01 PM CDT in Technology,  Business 

(Newser) – Stocks in solar-energy outfits are enjoying a sustained rally, but investors should remember the lesson of ethanol, Mark Gongloff writes in the Wall Street Journal. Once-loved ethanol stocks are now widely scorned—mainly because the energy source will never be viable without government subsidies. Still, despite solar’s advantages, shares are far from a sure bet.

Like ethanol, solar could be negatively affected by prices of certain commodities—chiefly silicon, which has been skyrocketing; with its myriad uses, the sun won't likely set on demand anytime soon. And like any stock, Gongloff reminds, a glut of entrants in coming years could diffuse the sector’s gains.

Source Wall Street Journal

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