We aren’t fortune-tellers here at The Motley Fool, but one thing we know is that the global middle class is expanding. A recent Mckinsey and Company report estimates an additional 3 billion consumers will enter the middle class by 2030. 

One way to play this trend is industrials leader Caterpillar (NYSE:CAT)As the middle class swells, so to will their demand to buy more "stuff." While it may seem simplistic, Caterpillar, specifically through its mining division, will be instrumental in extracting necessary materials for these products. The company's recent acquisition of Bucyrus will pay dividends for years to come and continue to position it as an industry leader in mining. Despite recent weakness in the space, Caterpillar is still a great stock for the long haul.

Caterpillar remains a market share leader in an industry in which size matters, and its quality products, extensive service network, and unparalleled brand strength combine to give it solid competitive advantages. Read all about Caterpillar's strengths and weaknesses in our brand-new report. Just click here to access it now.