Artificial intelligence is no longer just a theme trade. As of December 7, 2025, AI is reshaping entire supply chains—from GPUs and memory chips to power grids, cooling systems, and enterprise software. Recent headlines show both explosive growth and mounting constraints: chipmakers are sold out for years, electricity and cooling are becoming bottlenecks, and valuations are forcing investors to ask whether this is a boom… or a bubble. Reuters+2Reuters+2 At the same time, many analysts still see AI as a multi‑trillion‑dollar opportunity. Nvidia’s CEO has reiterated an estimate of $3–4 trillion in AI infrastructure spending by the end of the decade, while Advanced Micro Devices is targeting $100 billion in annual data center chip revenue within five years. Reuters+1 Meanwhile, power, memory, and networking players are scrambling to keep up.