I'm not sure what Wal mart's deal was, but I heard it started at Sam's club. some restaurants were buying extra thinking the price was going to go up any second, and Sam's was running out.
so Sam's limited them to so many 80lb bags per day.
Then Walmart started limiting too, because they would get their limit at Sam's and head to Wal mart and use up all their supply too. It was hoarding for the price by restaurants that started all this as I hear it.
I don't like rice so I could not care less if there was none left on the planet.