> When everyone's money is in the market, would the market ever fall? Price discovery is at the margins: it's determined by (active) buyers and sellers. If yo

> When everyone's money is in the market, would the market ever fall? Price discovery is at the margins: it's determined by (active) buyers and sellers. If you're a (passive-ish) buy-and-hold kind of person you're generally not involved in the process (except on your (bi-)monthly purchase off your paycheque in for your retirement account). So the active folks can cause prices to go down.