If you aren't willing to own a stock for ten years, don't even think about owning it for ten minutes. Put together a portfolio of companies whose aggregate earnings march upward over the years, and so also will the portfolio's market value.
It's a nightmare to administer some of this sort of thing, but I want to tell the shareholders of Berkshire, to the percent we own marketable securities or things for which there are market, even if those markets - I want to tell them what it's all about.
Confidence in markets and in institutions, it's a lot like oxygen. When you have it, you don't even think about it. It's indispensable. You can go years without thinking about it. When it's gone for five minutes, it's the only thing to think about.
The gross profits in many workouts appear quite small. It's a little like looking for parking meters with some time left on them. However, the predictability coupled with a short holding period produces quite decent average annual rates of return after allowance for the occasional substantial loss.