As Costco Wholesale Corporation (COST) gears up to unveil its fourth-quarter fiscal 2024 results on Sept. 26 after the closing bell, investors are faced with a key question: Is now the time to add Costco to your portfolio, hold your position or initiate a new investment? Whether you are a long-term shareholder or seeking to capitalize on potential growth, evaluating the stock ahead of its earnings report is essential for making informed investment decisions.Costco's strategic investments, customer-centric a ...