The value of the certificate of HZPC Holland B.V., world leader in potato breeding and seed potato export, is determined on € 113.15 after the Stock trading day 2015. The value increased clearly for the eleventh time in a row and the HZPC certificate of share increased for the thirteenth time in its history with the maximum of 10 percent (per half year) in value. From the 783,725 certificates, 8,202 certificates traded on the last stock trading day. More