Fascinating piece with great graphics:
https://www.washingtonpost.com/news/wonk/wp/2017/12/06/the-richest-1-percent-now-owns-more-of-the-countrys-wealth-than-at-any-time-in-the-past-50-years/
Related:
https://www.washingtonpost.com/news/wonk/wp/2017/12/07/the-u-s-economy-is-creating-millionaires-at-an-astonishing-pace-but-whats-it-doing-for-everyone-else/