The stockholder in the usual industrial concern generally has little difficulty in assuring himself of the tangible properties back of his engraved certificates. A Pennsylvania Railroad stockholder can visit almost any eastern railroad station and watch his stock come clanging in. A Radio Corporation stockholder can hear his stock coming out of any cigar-store loudspeaker. Yet the type of corporation which is the outstanding feature of today's investment world has physical assets consisting chiefly of office equipment. This corporation is the Investment Trust—a...

