Markets are about buyers and sellers. If the price drops low enough, someone will buy shares of a company unless it's bankrupt or something.
At the end of the day, a large portion of the market does in fact represent real things and a "share" is owning a piece of it. If you could buy a piece of a company like Google - which is highly unlikely to just poof and go away tomorrow - for say $5, of course someone's gonna buy it. It never just goes to zero unless we're in charge.
Markets are about buyers and sellers. If the price drops low enough, someone will buy shares of a company unless it's bankrupt or something.
At the end of the day, a large portion of the market does in fact represent real things and a "share" is owning a piece of it. If you could buy a piece of a company like Google - which is highly unlikely to just poof and go away tomorrow - for say $5, of course someone's gonna buy it. It never just goes to zero unless we're in charge.