Velocity would be much higher if the same amount of money was in the hands of millions more people.

Corruption of politics would be much harder, too.

That money is already in the hands of "millions more people". Invested money is efficiently and quickly converted into paychecks for ordinary people. That is the means by which investors hope to make a return on their investment.

They aren’t hoarding money, you don’t understand that?

What “money” velocity would be higher? Some of these companies have very little profit compared to wealth.