Tesla Inc (NASDAQ:TSLA) CEO Elon Musk on Wednesday visited the company’s gigafactory in Berlin with his son after the factory resumed production following a week-long pause caused by an arson attack. What Happened: “We are back,” Tesla wrote on X on Wednesday, formerly Twitter. The post was adjoined by a short video showcasing the Berlin gigafactory’s transition from a darkened factory on a production pause to an actively manufacturing car factory. The company CEO also took to X to thank the team in Berlin and the community for helping the factory get back online. He visited the factory on Wed…