Before selling, try to re-evaluate the company again and see where the stock sells in realtion to its book value.
Be careful of leverage. It can go against you.
We may buy a little bit of a stock, to get our feet wet and get a feeling for it.
People don't like to buy things that are going down.
I helped Ben with the third edition of Security Analysis, published in 1951.
Earnings can change dramatically. Usually assets change slowly.