Costco Stock Rises on Solid December Sales: Buy, Hold, or Sell?

Costco Wholesale Corporation's (COST) stock has rallied 9.2% since reporting strong December sales, with solid comparable sales growth across regions and a sharp acceleration in e-commerce. The company's membership-driven model, efficient supply chain, and bulk purchasing power continue to give it an advantage in a competitive retail landscape. With a consistent sales performance over the past few months, investors are debating whether to buy more, hold tight, or start booking profits at current levels.