By Foo Yun Chee BRUSSELS (Reuters) -Amazon has offered to share marketplace data with sellers and boost the visibility of rival products on its platform, trying to persuade EU antitrust regulators to close their investigations without a fine by the end of the year, people familiar with the matter said. The world’s largest online retailer is hoping its concessions will stave off a potential European Union fine that could be as much as 10% of its global turnover, Reuters reported last year. The European Commission in 2020 charged Amazon with using its size, power and data to push its own product…