As I’ve mentioned here before, one of the things we do at the Dick Davis Digests is identify the major investing trends of the day, and recommend ways to invest in those trends. For the past few months, one trend has been more resilient than any other: rising oil prices. Every single issue of the Digest since the beginning of the year has included at least one–and usually several–plays on rising oil prices. As consumers, politicians and economists all know well, oil prices have huge ripple effects in today’s world. Their most evident effects are seen in gas prices,...