After SpaceX’s (NASDAQ: SPCX) IPO, Elon Musk’s net worth rose to $1.27 billion, making him the first trillionaire in world history (at least as far as most people know, based on inflation-adjusted dollars). His net worth has risen to $653 billion this year. That increase alone is larger than the net worth of the second-richest ... Who Is The World’s Second Richest Person?