The stock exchange has introduced a rough five weeks since I my annual Ten Clean Energy stocks model portfolio on December 27. My broad market benchmark (iShares Russell 2000 index) is for the period to 5.6%. Clean energy stocks fared better, with the power shares WilderHill clean energy ETF (NYSE: PBW) by only 0.5%, as I write this. Mine is ten clean energy stocks model portfolio 0.9% in local