Tesla Climbs as Tweet Spurs Electricity-Storage Speculation

Elon Musk, co-founder and chief executive officer of Tesla Motors Inc.

Photographer: Yuriko Nakao/Bloomberg

Tesla Motors Inc. rose after Chief Executive Officer Elon Musk said on Twitter that a “major new Tesla product line -- not a car -- will be unveiled” April 30 at the company’s Hawthorne, California, design studio.

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