When it comes to investing, marginal improvements can make a significant difference to investment returns over time. James Aitken, the founder of Aitken Advisors, has spent three decades gaining a deep understanding of the global financial system’s plumbing. He has carefully studied markets and investors to identify the subtle differences that can help us become “a little less wrong” and produce meaningfully better outcomes over time. In conversation with Allan Gray’s chief investment officer, Duncan Artus, James shares the key things investors need to keep in mind as they traverse global markets.