So what is new about that?

"During the first two years of the nation’s economic recovery, the mean net worth of households in the upper 7% of the wealth distribution rose by an estimated 28%, while the mean net worth of households in the lower 93% dropped by 4%, according to a Pew Research Center analysis of newly released Census Bureau data."

An old story. Been going on for centuries. "Them that's got shall get; them that's not shall lose."
Link is here