What Is Driving AAOI’s Recent Momentum?The latest bid in AAOI has been tied to renewed focus on optical interconnect demand for AI-scale data centers, with the idea that copper can become a bottleneck as "500K+ GPU factories" push more traffic toward optics. The stock has also been treated as a Russell 2000 "infrastructure of the AI grid" standout after over 900% gains over the past year, keeping momentum traders engaged beyond the mega-cap chip complex.Applied Optoelectronics' setup is also being reinforced by the same "copper bottleneck" framing that helped drive that 9%+ jump earlier this week, keeping the trade centered…