Elon Musk, center, leaves a federal courthouse in San Francisco on Feb. Jeff Chiu/APSAN FRANCISO — A jury on Friday decided Elon Musk didn't defraud investors with his 2018 tweets about electric automaker Tesla in a proposed deal that quickly unraveled and raised questions about whether the billionaire had misled investors. The automaker based in Austin, Texas, is now worth nearly $600 billion, despite a steep decline in its stock price last year amid concerns that Musk's purchase of Twitter would distract him from Tesla