A capital increase in HeidelbergCement in September 2009, combined with a selling of shares from the Merckle family, opened up for other international owners and higher trading volumes on the stock exchanges.
En kapitalforhøjelse i HeidelbergCement i september 2009 i kombination med at Merckle-familien solgte aktier, åbnede for nye internationale investorer, og betød at aktieomsætningen steg.