Introductory paragraph with background about European investment companies and details on content of article. Includes multiple uses of key_word and higher_word.

Key information on top investment companies in Europe
Detailed content expanding on the sub-title. Includes higher_word.
Analysis of largest European investment firms by assets under management
Elaborates on second sub-title with rich, relevant detail. At least 500 words.
Summarizes core content related to Euro investment companies list.