In today's edition of Motley Fool's Stock of the Day, Motley Fool analyst Taylor Muckerman and host Matt Trogdon discussed Canadian National Railway's (NYSE:CNI) positive quarter. The railway had record grain hauling and record volume on all cars this quarter and was 18% up on earnings.

Warren Buffett believes that railways should be a part of everyone's portfolio, and Muckerman thinks that CNI is the great stock for the long run. The company touches the Pacific Ocean, the Atlantic Ocean, and the Gulf of Mexico and just put together a huge deal with Chrysler, which is the leader in car sales in Canada.

"This new deal shows that CN Rail isn't done growing just yet," Muckerman said. Watch the video below for more insights.