Amazon CEO Jeff Bezos briefly became the worldâ??s richest man Thursday in Forbes magazineâ??s tracking of wealth, as stock in his e-commerce company hit an all-time high. Microsoft founder Bill Gates reclaimed the lead by after**on, as Amazonâ??s stock fell nearly 1% for the day to $1,046. Amazon shares have been trading at a record high. They hit $1,083.31 at about **on Thursday. According to securities filings, ...