[RandomLensman]

The money is not siphoned out of the economy (unless it all leaves the US/World). The money made in finance is just as any other money, i.e., it is used to consume, invest, save etc.

Btw., no-one is forced to trade incessantly, either.

[stouset]

The money technically being “in the economy” is cold comfort to the workers whose COL has steadily increased while wages have remained flat.

[twoodfin]

https://fred.stlouisfed.org/series/MEHOINUSA672N