Costco Stock (COST) Today: Latest News, Analyst Forecasts, and Key Catalysts to Watch on Dec. 18, 2025
Costco Wholesale Corporation (NASDAQ: COST) is back in the spotlight on December 18, 2025, as investors weigh a familiar debate: excellent operating execution vs. an expensive valuation. As of 11:50 a.m. ET, Costco shares traded at $859.54, down 0.36% on