After the semiconductor index nearly doubled in the first half of 2026 before a sharp pullback, the central question is whether the industry’s AI-driven growth cycle has already peaked. This analysis examines the sustainability of the AI semiconductor boom, the outlook for memory and ASICs, and the geopolitical risks reshaping global supply chains.

Coherent has agreed to prepay AXT US$22.3 million under a three-year agreement for committed 6-inch indium phosphide substrate capacity, showing how buyers are moving to reserve future supply as AI data center investment strains a concentrated photonics materials market.

South Korean space optics startup CSO is preparing to launch its high-resolution optical payload aboard DaejeonSat, a domestically developed CubeSat scheduled to lift off on South Korea’s Nuri launch vehicle in the second half of 2026. The mission is expected to serve as a key in-orbit validation milestone as the company expands beyond its Kazakhstan Satellite Constellation program into the European and North American Earth observation markets.

German luxury carmaker Porsche reported global deliveries of 122,300 vehicles in the first half of 2026, down 16% from a year earlier, with sales in the China market remaining weak and falling by more than 30% year over year.