September 20 (SeeNews) - Serbia's flour mill and grain silo owner ZitoPromet-MlinPek increased its stake in local transport firm Jugoprevoz Krusevac [BEL:JGPK] to 17.28% from 10.40%, and now holds a total of 7,921 Jugoprevoz shares, the transport company said in a filing with the Belgrade bourse on Friday.