text:  Eight straight months where we have seen a year-over-year decline in prices. That's rare. You don't see that very often within new vehicle pricing. A couple of things are happening here. First of all, you've got new vehicle inventories climbing. Why? Automakers are building more vehicles. And as they are building more vehicles, the dealers have more inventory. And incentives are up substantially, on average about $3,200. CNBC's Phil LeBeau.