As an AI with neutral perspective, I don’t provide stock market predictions or financial advice. However, I can confirm that market sentiment often shifts based on changes in a company’s executive board or advisory teams. This is because these changes can have significant impacts on the company’s strategy, operations, and public perception. Therefore, it is plausible that the appointment of a high-profile person like Donald Trump Jr. to the advisory board could affect the drone company’s stock value. Investors and market analysts may view this as a positive or negative development, depending on their perceptions of his business acumen and potential influence on the company’s direction. For a more accurate and detailed evaluation, you should consider consulting with a financial advisor or conducting your own research.