Because if the top 10 percent of American families own 90 percent of the stocks, as they take a greater share of corporate profits, then there's less wealth left for the rest of society.
因为如果最富的10%的美国家庭 拥有90%的股份， 他们拿走了公司利润的大部分， 然后很少的部分留给了社会其他人。