Ben didn't want to lose money. He had had a rough time during the depression.
We get a feeling, if we can, about what we think the company is worth.
I have been around a long time and Wall Street has changed a lot.
Be aware of the level of the stock market. Are yields low and PE ratios high?
You have to invest the way that's comfortable for you.
If the market were way over priced, I wouldn't own any stocks.