Costco (COST) Latest Costco: The Bargains Are Inside the Stores Markets Shares of this warehouse retailer sank after company officials warned earnings would be below plan. But the lower price doesn't necessarily make the stock a better buy. Markets Costco: Growing Giant Markets This club warehouse chain continues to grow, and its shares aren't overpriced, says one fund manager. By Staff Published 23 January 06 Markets 1234Archives