By Sam Hopkins of GreenChipStocks.com
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I’m in Washington, D.C. today for the American Council on Renewable Energy’s RETECH Expo, where I’m mining the showcases and speakers for new stock picks. Not every technology or company here will be a home-run investment. To tell the truth, many of them won’t even make it ten years without being bought out or folding…

Others will make headlines and drive market returns, … Read the rest