Michael Dell just saw a $1.2 billion surge in his wealth thanks to a stock sale—but it’s not shaken the billionaires club

Dell Technologies founder and CEO Michael Dell just sold $1.2 billion worth of shares in late June—but ranked at number 11, he’s barely shaken up the Bloomberg Billionaires list, not breaking through to the top 10. The 60-year-old tech titan is now only $1 billion behind Nvidia leader Jensen…