For many investors, 2025 intensified the behavioural pressures that shape investment decisions. Markets reached record highs, even as global growth slowed and political tides turned across major economies. Amid these contrasts, investors and advisers were reminded just how crucial it is to manage behaviour. Falling prey to inherent behavioural biases and knee-jerk reactions when markets shift are well-known ways to hinder performance and erode returns. In conversation with Allan Gray portfolio manager Tim Acker, leading behavioural finance expert and author Dr Daniel Crosby explores habits and hacks that personal and professional investors can employ to navigate volatile markets, avoid cognitive traps and enhance their long-term investment success. Allan Gray website · Why behaviour shapes long-term investment success more than performance