Jeronimo Martins , the second largest retail chain in Portugal, stressed earlier today (3 November) that an article printed in Semanario Economico, a weekly national newspaper, is entirely false. The paper had excited interest by reporting that US group Wal-Mart , had offered a takeover bid of €575m for the Portuguese chain.A statement from Jeronimo Martins revealed that: "The board hereby informs the market that it has no knowledge of any move or fact that lends foundation to the report."