The medical professions are centrally regulated. Also, physiology is a real science since the human body is something that can be easily studied in a lab. So it's unlikely that sociopaths in the medical fields could impact the theories of how the body works.
Capitalists, though, often clamor for less regulation, or for fewer restrictions on how they can run their business. And economics isn't a hard science that can point more to the empirical falsification of its hypotheses than to their unfalsifiable mathematical abstractions.
Both points of disanalogy would leave sociopaths in the business world much freer to wreak havoc and to dictate the contents of economic propaganda.
As for Wall Street gambling with other people's money (i.e. borrowed money or money that comes from taxpayers' bailouts), there's a whole book on it.
https://www.hoover.org/research/gambling-other-peoples-money-0