Midterm wins for Democrats split the AI trade: hyperscalers gain, neoclouds sink

The midterms handed Democrats a wave of gubernatorial wins — and investors spent Wednesday sorting out which AI trade survives it. Microsoft and Amazon each jumped more than 6% as markets digested the results. CoreWeave, the AI infrastructure provider, got hammered, dropping roughly 10%. Micron slid 7% and Nvidia slipped 3.17%.

The trigger is regulation. Texas governor-elect Gina Hinojosa has pitched a statewide moratorium on new data center permits, though projects already under construction would reportedly be exempt, according to CNBC. Democratic victories in key governor races raise the odds of tougher scrutiny for data center builds, and with it fresh questions about how quickly new capacity gets built and paid for.

That split has a financing engine underneath it. JPMorgan's James Sullivan told CNBC's Squawk Box Asia that borrowing spreads have widened sharply for neocloud companies, making their next dollar of capital far pricier than it is for hyperscalers with broader customers and steadier revenue. As he put it, the divergence in equity performance largely reflects a view that existing capacity is now worth significantly more thanks to incremental supply constraints.

Wall Street's research desks are already gaming out the calendar. Much of the capacity expected online in 2027 is under construction already, so new restrictions bite less near-term, Nomura said in a Wednesday note. Projects slated for 2028 face far more exposure to permitting delays — tighter rules could become a real headwind to AI investment from that year onward, the bank said.

BMI took a similar but blunter line Wednesday, warning that a sharp slowdown in data center construction and AI investment could produce a bigger-than-expected drop in overall investment. The firm sees a slowdown as more likely than a nationwide halt, with tighter rules pushing up construction and power procurement costs.

The pain is not theoretical. CoreWeave, Nebius and Iren each fell at least 30% in October as credit markets tightened, and CoreWeave's five-year credit default swap spread has blown past 1,100 basis points — a loud signal of what investors are paying to insure against default. JPMorgan Asset Management noted in an Oct. 20 research note that cash-rich hyperscalers could snap up cheaper capacity or buy assets outright if weaker operators pull back.