Costco, Walmart, Trader Joe's cash in on private-label boom

If you’re a beer drinker, you probably have a favorite type of brew and maybe even a favorite brewer. If wheat is your go-to, maybe it’s Blue Moon. If it’s a lager, then it could be Modelo Especial. If you love IPAs and more craft-style beers, Stone and Lagunitas are probably on your list.…