So Walmart cut forecasts? Are consumers saving money? Now what.

Walmart cut its forecast, along with some other retailers, click here for the Bloomberg.com column on this.
Now Walmart is where people go to shop for cheap stuff, that is the reason they do good in a recession. But now they are having problems too?
Maybe this shows people at all income levels are saving and not spending or Walmart might not be executing some stuff right. Should be clear in some time what it really is.
Minyanville.com's Kevin Depew thinks this will be when people shift to saving , which is not common in the US, click here.
Remember US economy is a consumer economy, consumer spending makes up 2/3 of the US economy. That means most companies expect the consumer to spend and spend. When they start saving , the companies do not sell that much .
So right now so many retailers and other companies have expanded so much that if the spending goes down a lot and stays down , they'll be in trouble if they are not already.