Eight months after PepsiCo relegated a longtime Frito-Lay plant in Southern California to a distribution hub, the food and beverage giant is now reportedly closing the campus entirely — and laying off hundreds of workers.
Frito-Lay halted snacks production at the Rancho Cucamonga plant last summer — one of several closures across the country as PepsiCo dealt with sluggish demand and rising costs — but left its warehouse and distribution operations in place…