Investors looking for stocks in the Alternative Energy - Other sector might want to consider either Clearway Energy (CWENA) or Talen Energy Corporation (TLN) . But which of these two companies is the best option for those looking for undervalued stocks? Let's take a closer look. The Value category of the Style Scores system identifies undervalued companies by looking at a number of key metrics. These include the long-favored P/E ratio, P/S ratio, earnings yield, cash flow per share, and a variety of other f ...