Elon Musk’s reign as the the world’s richest person was brief. Tesla Inc. shares slid 2.4% on Tuesday, erasing $4.6 billion from its chief executive officer’s fortune and knocking him from the top spot on the Bloomberg Billionaires Index ranking. Jeff Bezos, who’d held the title for more than three years until last month, reclaimed his No. 1 position with a net worth of $191.2 billion, or $955 million more than Musk. Musk’s drop ends -- for now -- an almost six-week stint as world’s richest person that saw him front and center in some of the biggest market events so far this year. He fanned the flames of the ... (full story)