Group 1 - Apple is expanding its semiconductor manufacturing lines in Arizona and Texas to mitigate geopolitical risks, but it still heavily relies on Taiwan's advanced process technology for its A19 and M5 chips [1][2] - The Arizona facility produces chips for the iPhone 15's A16 processor and entry-level iPads, but cannot replace Taiwan's leading position in advanced chip manufacturing [1][2] - Advanced packaging processes, which are crucial for chip performance, speed, energy efficiency, and heat dissipation, still need to be completed in Asia after initial production in Arizona [1] Group 2 - The assembly facility in Houston has limited scale, assembling about 10 AI servers per hour, with plans to increase Mac mini assembly by 2026 [2] - The workforce in Texas is small compared to Asian assembly plants, focusing on low-volume product assembly rather than large-scale employment [2] - Apple's investment in U.S. semiconductor manufacturing is a long-term supply chain hedging strategy aimed at reducing risks from pandemics, natural disasters, or geopolitical conflicts, rather than a significant return of jobs to the U.S. [2]