What is Union Pacific’s (UNP) Economic Moat, and is it Widening or Narrowing?

Union Pacific Corporation (NYSE:UNP) closed at $282.36 on October 13. The stock has returned 12.3% over the last six months, compared to a 21.5% return by the Insider Monkey Billionaire Index and 14.0% for the State Street SPDR S&P 500 ETF Trust. It owns the ground the train runs on, and much of that ground […]