All humans get an account on the stock markets and all those accounts are run by robots.
[Hyper Light Version]
Robot 1: Winning.
Robot 2: "I'm losing, need to improve, copy winning moves of robot 1"
Robot 1: "I'm losing, improve by adapting to robot 2, wait wtf."
Calculating ...
Robot 1: "Ok, we're good, I'm not making as much, but this way I will never reach a limit."
Robot 2: "Same."
Robot 1: "Sweet, wanna jam?"