After an overhaul of the company’s AI program in 2025, Zuckerberg said Meta will soon release new models and products. Microsoft Corp.’s results highlighted the fragility of investor sentiment around AI, as did those of the software provider SAP SE. Silicon Valley’s spending spree rippled around the world. “We’re going to hit a chip wall if we don’t do the fab,” Musk said. “We’ve got two choices: hit the chip wall or make a fab.”Higher spending levels also increase the risk if demand for AI and its infrastructure weakens.