Walmart keeps looking for a penny here, a nickel there, as it keeps feeling the pressure from both off- and online competitors. Here's its latest initiative: a backward integration move into its supply chain by opening its very own dairy processing plant. Not only will Walmart gain economies of scale, but they'll also get a better handle on the volatility that's been plaguing milk prices in recent years. If successful, this initiative should translate into some significant moo-la for Walmart. Click here for the article.