Is it possible to be too diversified and how can you tell? Why Warren Buffet thinks diversification is protection against ignorance.Topics covered include:The skills you need to be able to select individual stocks.How have active managers outperformed relative to passive indexing products.How much diversification is too much and a test to determine if one is over diversified.What is factor investing and which factors have worked over the past 200 years.Thanks to LinkedIn and Policygenius for sponsoring the episode.For show notes and more information on this episode click here.[2:22] Exploring the concept of over-diversification[5:25] Should you pay for an investment advisor to select individual stocks?[8:05] An individual investor should choose index funds[11:10] Determining how much diversification is enough?[13:37] Weighing the cost against the benefits[16:10] When being over diversified is possible[17:05] Analyzing the listener question regarding over-diversification[20:20] A Fascinating study analyzing 200 years of factors[25:08] Layer on additional value factor