With the commodities boom still in full swing you are probably aware the advantages of owning stocks related to gold, silver or other hard assets.

But when was the last time you heard someone extolling the investment virtues of helium?

And I'm not talking about helium as most folks think of it - in those giant (and comically overpriced) party balloons.

You see, a unit of disk-drive maker Western Digital Corp. (NasdaqGS: WDC) says it's discovered a way to help pump up the corporate computer networks around the world.

It'll debut later this year.  And helium will be the active ingredient.

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