Who really owns the largest slice of Wall Street?

The vast majority of people who trade in shares are already the wealthiest 10% of American households

Robinhood wants to democratize finance", according to its mission statement. And, for a brief period last month, the trading app seemed to be doing just that as small investors appeared to be battering Wall Street investors who had bet on the demise of GameStop, AMC cinemas and other.

The long-term fallout of a saga that gripped the world is still unknown and regulators are poring over the sudden rise in shares of GameStop and others. But what is true is that share ownership in the US is still anything but democratic - the vast majority of people who trade in shares are already the wealthiest slice of society.