Important consideration in a large portfolio and how does this apply to your own investment decisions

  As individual investors, why is diversification an important consideration in a large portfolio and how does this apply to your own investment decisions related to securities you may choose as investments? Your critical response should have a minimum of two sources published in the last 12 months which should be used to support the content within the postings, proper in-text citations. Your responses should be professionally written and correctly formatted references should be prepared consistent with the APA. The list of references should be physically positioned at the end of the postings.