When a stock price goes down, is it that many people have sold and now have that value in cash OR is it that the market just decides the stock price is now worth less collectively?

Question

When a stock price goes down, is it that many people have sold and now have that value in cash OR is it that the market just decides the stock price is now worth less collectively?

In: 103

Answer 1

Both. When you say “the market just decides”, “the market” is “many people” and “just deciding” is based on what they are selling/buying for.