Investment thesis: Between Greenbrier's ( GBX ) internal performance and the external factors impacting its outlook, the company is becoming one of my favorite long-term buy & hold targets. The company's internal results show an overall healthy situation, markedAnalyst’s Disclosure:I/we have a beneficial long position in the shares of GBX either through stock ownership, options, or other derivatives. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it (other ...