AIM has risen by one-third over the past 12 months and the FTSE 100 index is one fifth higher. However, the FTSE Fledgling index has increased by 53.3% over the same period.
The Fledgling index has much smaller companies than AIM. It certainly does not have the likes of ASOS and Boohoo, which dominate the performance of AIM because of their large weightings in each of the main indexes.
There are fewer than 100 companies in the Fledgling index, which includes small investment trusts. These are the companies that are eligible to be included in a Main Market index, but they are too small f...
