Elon Musk’s xAI plans to develop a new facility in Memphis to house a giant supercomputer, a move by the artificial intelligence startup to boost its capacity in the race to build and offer chatbots and other AI-powered tools. Musk and his team at xAI have been working with officials in the Tennessee city since early March to plan the new factory, which would be the “largest multibillion-dollar investment in the city of Memphis’s history,” said Ted Townsend, president of the Greater Memphis Cham...