The father of value investing, Benjamin Graham, explained this concept by saying that in the short run, the market is like a voting machine--tallying up which firms are popular and unpopular. But in the long run, the market is like a weighing machine--assessing the substance of a company. So what matters, in the long run, is only a company's underlying business performance and not the company’s market performance in the short run.Communication market performance (YTD as of Christmas 2021...