ToplineThe world’s richest person got much richer Thursday as Tesla CEO Elon Musk enjoyed a major rally for Tesla stock after the electric vehicle company’s latest earnings report encouraged Wall Street.Tesla CEO Elon Musk, center, is more than $50 billion richer than anybody else.AFP via Getty Images Key FactsTesla’s share price spiked almost 17% by 10 a.m. EDT, holding the massive off hours trading surge. That came as investors reacted positively to the big third-quarter profit beat, the most cash genera ...