Costco Stock on November 30, 2025: AA Credit Rating, Heavy Institutional Buying and Big Expectations for COST
Published: November 30, 2025 Costco Wholesale Corporation (NASDAQ: COST) stock is heading into December with a strange mix of signals: premium valuation, fresh signs of institutional confidence, a new AA credit rating, and several looming catalysts that could jolt the share price in either direction. As of the latest close on Friday, November 28, 2025, Costco stock traded around $913.59…