Dec 21 (Reuters) - Wolverine World Wide Inc :
* Wolverine Worldwide announces progress on strategic initiatives
* "remain on track to deliver against our 2018 adjusted operating margin goal"
* Initiatives intended to drive greater operational efficiency, speed and agility are ongoing
* Year-End inventory is now expected to be down high teens, compared to previous expectations of a low-teens decline Source text for Eikon: Further company coverage: