Costco Wholesale Corp. (COST) saw a 10% stock gain at the start of 2026 following stellar December sales data. Sales hit $29.86 billion, up 8.5% YOY, with digital sales up 19%. Costco’s revenue and membership retention have been strong, with plans to open 30 new warehouses annually. Technical indicators point to a bullish breakout after a previous downtrend and a death cross pattern. Valuation concerns persist with a 50 P/E ratio, but Costco’s successful membership model may sustain the rebound.

Read more at Nasdaq: Costco Finally Breaks Out: Is There Still Time to Buy?