AI Capex Complex Splinters: Nebius Cut, CoreWeave Scrutiny Test the Neocloud Trade

The AI capital-expenditure complex is fragmenting into winners and stragglers as delivery timelines, not total addressable market slides, become the differentiating variable. DA Davidson's 30% reduction to its Nebius price target crystallizes the risk: the Vineland data center delays directly imperil 2026 revenue guidance, underscoring how power interconnects, permitting and construction labor have become the binding constraints on neocloud growth. At CoreWeave, Jefferies redirected investor focus away from the profitability line toward founder share sales, an unusual framing that signals the sell-side now views insider supply dynamics as more consequential to the near-term equity path than incremental margin progress. Upstream, the read-through from NVIDIA's $500 billion AI financing structure is reshaping how the market underwrites TSMC's multi-year wafer demand — vendor-adjacent financing extends the visible order book but concentrates counterparty exposure. Meanwhile, commentary arguing Nvidia is 'not cheap enough, yet' and framing Meta's AI investments as mispriced embedded call options illustrates a bifurcating debate: incumbents with balance-sheet self-funding versus levered pure-plays dependent on external capital. Adjacent power-generation supply chains are already capturing spillover, with Broadwind reporting a 93% backlog surge on its pivot toward power gen equipment.