Asset managers are negotiating "unchartered waters" in the wake of the UK's decision to leave the European Union, with key questions surrounding fund domiciles, MiFID II requirements, and whether groups need to bolster their European presence to distribute on the continent, still up in the air. Although fund providers M&G Investments and Columbia Threadneedle have outlined plans to boost their operations in Dublin and Luxembourg respectively, Investment Week understands the majority of firms are yet to make a move.