Diversification - how many stocks is too many?

That’s fair enough, but what’s the magic behind the 40 number? As I’m sure you don’t need me to tell you, diversification isn’t a out how many stocks you own, it’s about how similar your stocks are to one another. I used to be at around 50 with about six different US banks. I’m now down at 27 but axeing 4 banks to being me down to two hasn’t done any great violence to my diversity profile.

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