The energy company took another $5 billion+ impairment as a result of lower commodity prices. Energy companies inflicted a lot of damage on investors' portfolios this year. The decline in valuations is truly mesmerizing. Take Chesapeake Energy Corporation (NYSE:CHK), for instance, whose stock has fallen from ~$23 a year ago to just about ~$7 today. That's right, Chesapeake Energy's stock has lost ~68% of its value over the course of the last twelve months, and the latest earnings release didn't exactly spark a lot of interest either. Despite a dramatic cutback in...