Investors looking for stocks in the Transportation - Equipment and Leasing sector might want to consider either Greenbrier Companies (GBX) or Westinghouse Air Brake Technologies (WAB) . But which of these two stocks offers value investors a better bang for their buck right now? We'll need to take a closer look. Everyone has their own methods for finding great value opportunities, but our model includes pairing an impressive grade in the Value category of our Style Scores system with a strong Zacks Rank. The ...