Portfolio Diversification Quotes & Sayings

In choosing a portfolio, investors should seek broad diversification, Further, they should understand that equities
and corporate bonds also
involve risk; that markets inevitably fluctuate; and their portfolio should be such that they are willing to ride out the bad as well as the good times. — Harry Markowitz

Wide diversification is only required when investors do not understand what they are doing. — Warren Buffett

The strategy we've adopted precludes our following standard diversification dogma. Many pundits would therefore say the strategy must be riskier than that employed by more conventional investors. We disagree. We believe that a policy of portfolio concentration may well decrease risk if it raises, as it should, both the intensity with which an investor thinks about a business and the comfort-level he must feel with its economic characteristics before buying into it. — Warren Buffett