Colombia’s Cementos Argos is considering the possibility of asking its co-owner in Cementos Panama, leading world cement producer Holcim, to sell it its 50 per cent stake, La Nota reported.  If a sale is agreed upon, Argos would have 100 per cent ownership in the company.  Argos wants shareholdings in excess of 50 per cent in Panama, Venezuela, Ecuador and Peru. The company will achieve this in Ecuador and Peru by acquiring existing companies, according to the newspaper.  Cementos Panama has an annual production capacity of around 0.8Mt.