""how much they will earn in the future" is meaningless." When companies grow faster than the 'cost of capital' for the person buying the stock - then the valu

""how much they will earn in the future" is meaningless." When companies grow faster than the 'cost of capital' for the person buying the stock - then the value goes to infinity - so this is a problem. But it's still based on something. Telsa stock will not go to $20K each.