Corporate tax avoidance and the financial performance of major firms, with a specific focus on Tesla’s fiscal strategies in 2025. Reports indicate that at least 88 profitable U.S. corporations effectively paid no federal income tax by utilizing legislative provisions such as accelerated depreciation and research credits. Tesla serves as a primary case study, as investigations suggest the automaker may have moved $18 billion in profits to offshore entities in the Netherlands and Singapore to minimize its tax liability. Despite these significant tax savings, the company faced a challenging year marked by declining vehicle deliveries, narrowing margins, and its first annual revenue drop. Consequently, investors are now weighing Tesla's traditional automotive struggles against its ambitious transition into artificial intelligence and robotics. Together, these sources highlight the growing tension between multinational tax planning and the evolving valuation of tech-heavy industries.