Jim, Rob, and Alice Walton have each lost over $600 million in net worth so far this year. Take this quiz to see if you’re on track to retire. (sponsored) Jim, Rob, and Alice Walton have each ...

According to the Bloomberg Billionaire Index, each of the three Walton children, born to Walmart Inc. (NYSE WMT) founder Sam Walton, has lost $600 million of their net worth so far this year.