There is no question that an important service is provided to investors by investment companies, investment advisors, trust departments, etc. This service revolves around the attainment of adequate diversification, the preservation of a long-term outlook, the ease of handling investment decisions and mechanics, and most importantly, the avoidance of the patently inferior investment techniques which seem to entice some individuals.
Warren Buffett[The U.S. Treasury] can borrow basically unlimited amounts. They can stay there for years and years. These assets will be worth more money over time. So when Merrill Lynch sells a bunch of mortgage-related assets at 22 cents on the dollar like they did a month or so ago, the buyer goes - is going to make money, and he's going to make a lot more money if it happens to be an institution like the U.S. government which has very, very cheap borrowing costs.
Warren BuffettWe believe that according the name 'investors' to institutions that trade actively is like calling someone who repeatedly engages in one-night stands a 'romantic.'
Warren Buffett