HPI Aktie Analyse Alle Kaufen Hold Verkaufen 09.07.12 HPI buy First Berlin Equity Research GmbH 24.05.12 HPI buy First Berlin Equity Research GmbH 14.12.11 HPI buy First Berlin Equity Research GmbH 21.11.11 HPI buy First Berlin Equity Research GmbH 13.09.11 HPI buy First Berlin Equity Research GmbH