The Share (n.) does not overcome the clash between wealth as social and wealth as private; it only restages that clash in a new form.
A Share (n.) is not a second copy of capital: the capital exists only once, in the enterprise, and the share is nothing but a title to a slice of its future surplus-value.
A Share (n.) when bought turns the buyer's capital into a mere ownership title, while the seller turns his title back into capital.
A Share (n.) is as if a bill of lading acquired a value of its own alongside the cargo it refers to.
A Share (n.) is a title to real capital that gives no control over it — only a legal claim to part of the surplus-value it will produce.
A Share (n.) lets a railway or canal circulate abroad in ideal form — yet a change of owners moves not one sleeper of a nation's rooted wealth.