What does break up of Old Mutual Plc mean for finance, insurance?

Old Mutual Plc, which is 185 years old, has just announced it is splitting up into four independent units.

The £9.5 billion (Sh966 billion) South African financial services group that started in Cape Town will split into: Old Mutual Emerging Markets (a primarily African financial services and insurer), Old Mutual Wealth (a UK-based wealth manager), Nedbank (a South African Bank) and Old Mutual Asset Management (a US asset manager).