The danger with stocks is they are all the same (from the same company). Nobody would think of selling the chair they borrowed from the neighbor (if they want t

The danger with stocks is they are all the same (from the same company). Nobody would think of selling the chair they borrowed from the neighbor (if they want to stay friendly with the neighbour). Maybe it is more like eggs. You ask you neighbour for a few eggs, and later give them back (but everybody understands them to be different eggs)