> By this definition, every company stock is a multi-level marketing pyramid scheme.
No because the company's income doesn't come from selling more stock, but from selling valuable products. (Companies that don't have actual revenue are indeed multi-level marketing pyramid schemes and there are some of them around, but they're the exception rather than the rule).
No because the company's income doesn't come from selling more stock, but from selling valuable products. (Companies that don't have actual revenue are indeed multi-level marketing pyramid schemes and there are some of them around, but they're the exception rather than the rule).