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Tesla's stock loses charge after Musk's battery pitch

Tesla Inc shares slumped in early Wall Street trading as investors and analysts tried to make sense of Chief Executive Elon Musk's highly technical "Battery Day" presentation that set lofty targets but was hazy on near-term execution.

Tesla expects approval for battery cells plant in Berlin

Tesla expects to be able to press ahead with plans to build battery cells and battery packs at its new factory in Brandenburg, near Berlin, a spokesman for the U.S. carmaker said on Wednesday, after assurances it would not use too much water.

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