Costco (NASDAQ: COST) closed at $1,008.79 a share on May 8, 2026, leaving the warehouse giant perched just above the psychologically loaded $1,000 line. The setup is what makes the “Sell in May and Go Away” adage worth a fresh look on a name most investors think of as bulletproof. The Setup That Triggers the ... Costco Just Hit $1,000. Is This the Year to ‘Sell in May’ Even on the Safest Stocks?
