Cramer on BloggingStocks: Infrastructure stocks grab market's sweet spot

Jim Cramer says these four infrastructure stocks can keep running thanks to their market caps.

What is the real lure of infrastructure? How can an Aecom (NYSE: ACM) (Cramer's Take) or a KBR (NYSE: KBR) (Cramer's Take) or a Foster-Wheeler (NASDAQ: FWLT) (Cramer's Take) or a McDermott (NYSE: MDR) (Cramer's Take) keep going higher and higher and higher?

The secret is market cap. These are all the functional equivalent of small- or mid-cap stocks. Most of their capitalizations are in the $5 billion to $10 billion range and that's just not enough size to make a difference to the average hedge fund or mutual fund manager unless he or she takes a monster positioning the name.

Consider the case of personal fave Foster Wheeler. Despite being up 247% year-over-year and 143% this year alone, this stock still is not a $10 billion stock. (Need I remind you that most stocks that are large cap are over $100 billion?)

Yet the orders keep coming in to the company, and the business of building plants, once horribly cyclical, has turned secular because of the worldwide power shortage.

That theme, the best theme over the next few years, can best be played by the infra group. But the infra group all together doesn't amount to anywhere near $100 billion.

That means the move is still on; it means that it may be barely done.

It means they all can still go higher and remain the best place to be once the market inevitably sells off again.

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Jim Cramer is a director and co-founder of TheStreet.com. He contributes daily market commentary for TheStreet.com's sites and serves as an adviser to the company's CEO. At the time of publication, Cramer had no positions in stocks mentioned.