Eric Savitz (Barron’s) submits: In an otherwise grim environment for the solar sector , First Solar (FSLR) Wednesday posted stellar Q1 results , and provided the catalyst for Thursday’s big jump in the company’s stock price. But be careful about extrapolating First Solar’s success to other solar companies: Unlike most of the industry, FSLR does not rely on polysilicon to produce its modules, which insulates the company from the volatile poly market. Among the company’s charms is the fac

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First Solar Shoots Higher on Stellar Q1 Earnings