What is the fine-grained topic of the following text: The key differences between the funds are that the Trust can invest up to 25% in Emerging Europe (currently it holds around 11% in Emerging Europe), it holds fewer stocks (currently 59 but can be as low as 30 and as high as 70) and there is a conviction bias with the highest holding making up nearly 6% of the Trust. Only return the topic.
Differences in investment strategies of funds