A research report from CITIC Securities highlights that the capital expenditures of North America's four leading cloud service providers maintained robust growth in Q2 2026. Tech giants like Google and Amazon have further revised their full-year growth projections upwards. Notably, Amazon AWS outperformed expectations in terms of revenue, operating profit margin, and order backlog. Amazon CEO Andy Jassy affirmed that the breakeven point for investments in servers and networking infrastructure would be reached "in less than three years." This statement directly tackles the pivotal concern over AI's return on investment (ROI), signaling the emergence of a self-sustaining cycle in AI-driven investments and returns. Such developments have effectively dispelled market anxieties regarding the long-term viability of significant AI-related capital outlays. CITIC Securities anticipates that as cloud providers continue to demonstrate AI's pivotal role in fueling business expansion, the scale of AI clusters will expand further. Optical interconnection, a critical element in cluster networks, is poised for sustained growth, propelled by the rising GPU-to-server ratio, upgrades in port speeds, and the shift from copper to optical connectivity. Consequently, CITIC Securities maintains a bullish outlook on the medium- to long-term growth prospects of the optical communication sector.