Such a rise was far from preordained. But by aligning himself closely with Trump after a failed assassination attempt in July and spending some $130 million to help get him elected, Musk greased the wheels. There is little reason to doubt the Tesla CEO's sincerity. Still, Tesla would have lost $66 billion in market value if it had dropped 8% like Rivian, so its one-day swing works out to $185 billion in market value -- exceeding the amount that Musk donated by more than 1,400 times. His net wort...