Though Boeing (NYSE: BA) is a blue chip stock that consistently outperforms the market, the responsible approach for any investor always is to explore both the bull and the bear perspectives before taking a position in any stock. In this video, Motley Fool industrials analyst Isaac Pino takes a look at some of the stumbles the company has made in the past, such as production problems that have delayed deliveries, which have sometimes led to big financial losses. Also, he highlights the idea that, even though the moat for this company may seem prohibitively wide for any competitor trying to get into this market and eat into Boeing's market share, there are companies coming out of emerging markets that investors should definitely keep an eye on as they continue to grow.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.