Wok this way: Interactive stir-fry concepts hit the road

CHICAGO —The new owners of Stir Crazy, one of several full-service Asian chains with interactive stir-fry stations that have experienced sluggish growth since debuting in the 1990s, plan to light a fire under the concept as competitors also move expansion to the front burner.

The Walnut Group, the private-equity firm that purchased the nine-unit chain last November, already has eight locations in some form of development a