Buying just an index fund that tracks the S&P 500 is quite a bit of diversification in the market. This makes sense for beginning investors that haven't studied more, but after you read Security Analysis by Benjamin Graham, your investing style will likely never be the same.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store