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Apple, Nvidia, Tesla: The Traps and Opportunities in Q3 Earnings ― As of October 3, 2025: A Review of Global Big Tech Earnings and Their Impact on the Korean Stock Market Introduction: The Message Behind Earnings Season In early October 2025, global financial markets once again find themselves in the thick of earnings season. Companies like Apple, Nvidia, and Tesla are not just individual stocks. They are the weathervanes of global capital flows and symbols of shifts in technology trends and industrial structures. For this reason, investors look beyond headline revenue or net profit numbers. The real questions are: “Do these results guarantee sustainable growth going forward?” “How far are they from market expectations?” The most valuable lesson from this season can be summed up in one phrase: “the gap between expectations and reality.” Even strong earnings can lead to stock declines if expectations are missed, while weaker numbers may trigger rebounds if they’re “less bad”...