“In my view, for most people, the best thing to do is own the S&P 500 index fund,” Buffett has famously stated (4). This approach gives investors exposure to 500 of America’s largest companies across a wide range of industries, providing instant diversification without the need for constant monitoring or active trading.And crucially, investors don’t need to be expert stock pickers to participate.As investing legend Warren Buffett wrote in 2017, “American business – and consequently a basket of stocks – is v ...