You should be unconcerned about short-term price action when you own the securities directly, just as you were unconcerned when you owned them indirectly through BPL. I think about them as businesses, not "stocks", and if the business does all right over the long term, so will the stock.
Warren BuffettI'll tell you why I like the cigarette business. It cost a penny to make. Sell it for a dollar. It's addictive. And there's a fantastic brand loyalty.
Warren Buffett