Costco
Costco Shatters Expectations with $30 Billion December: Stock Surges as Membership Model Defies Retail "Hangover"
Costco Wholesale Corporation (NASDAQ: COST) shares surged more than 5% on Thursday, January 8, 2026, as investors reacted to a powerhouse December sales report that defied broader retail trends of cooling consumer demand. Following a year in which the stock largely underperformed the broader market, the warehouse giant reported net