'You need to diversify' What? You can take a $100 investment and invest in a single stock or you could put $10 in a diversified portfolio....or put $100 in an

'You need to diversify' What? You can take a $100 investment and invest in a single stock or you could put $10 in a diversified portfolio....or put $100 in an index fund... None of these options require investing more money..