It’s still one of the heaviest freely traded (in its own market) share in the world, but scandal-wracked Nippon Telegraph & Telephone Corp’s shares are a shadow of their former selves, down at Y?1.68m, almost half its Y?3.2m peak, and dangerously near its Y?1.6m flotation price – and increasing competition for NTT means that even after the Recruit Cosmos scandal drops from the headlines, other considerations will limit upside potential for what began as Japan’s proudest privatisation.