Investors need to rethink the ‘factor’ approach
Portfolio management should be based more on themes such as innovation
Portfolio management should be based more on themes such as innovation

But it relies on a host of rosy assumptions going in investors’ favour

Some investors reduce positions or buy protection for their portfolios amid concerns over valuations

Markets have shrugged off everything from geopolitics to financial crises

Political pressure in response to public anxiety will demand policy responses

Diversification is the foundation of good investing

Laws don’t work — transparency and technology are the answer