Hesitates to call a top but is skeptical. Bulls argue the market has derated this year due to strong earnings revisions — unlike other bubbles, it's not expensive if earnings come through. However, those earnings are predicated on compute scarcity. If compute is not scarce (due to cheaper models, small language models, Chinese alternatives, or CPU-based supercomputers), the earnings bubble could burst.
He explains the circularity of vendor financing in the AI ecosystem: customers invest in chip companies to place orders, creating a multiplier effect on earnings revisions across the stack (model builders, hyperscalers, memory, logic). This makes the earnings growth fragile.