Stock index futures pointed upward on Wednesday as stronger earnings from CoreWeave eased investor concerns over the cost of the artificial intelligence boom.
Nasdaq 100 futures jumped 1.9 per cent. S&P 500 futures gained 0.86 per cent. Dow E-minis added 58 points in premarket trading.
The U.S. bond market remained shut on Wednesday for the Veterans Day holiday. This prevented live Treasury yield movements from acting as a check on technology valuations.
Shares in the cloud computing firm rallied 17 per cent in early premarket trading. This performance provided a reprieve for the sector.
CoreWeave had seen its shares fall more than 40 per cent over the previous month. The company faced market scrutiny regarding its debt-funded data center expansion.
At the end of June, the company carried $35.6 billion in debt. The cost of insuring its borrowing against default had risen.
“CoreWeave’s results came out post-market… people were holding their breath hoping for a good result.” The results had “sparked an uptick in enthusiasm for AI-focused stocks”, said Susannah Streeter, chief investment strategist at Wealth Club.

Management confirmed the firm intends to become profitable in the first half of 2028 on an adjusted basis. This disclosure aimed to reassure investors that customer commitments support its expansion.
Nvidia shares climbed 5.2 per cent in premarket trading. They recovered from a two-day sell-off that wiped $430 billion off its market value.
The rebound followed reports that the chipmaker appointed law firms. They addressed questions regarding CEO Jensen Huang’s relationship with a businesswoman alleged to be a Chinese spy.
“I expect continued investments on AI infrastructure, which will drive share prices higher in time, even though multiples are compressed because of concerns over politics,” said Eric Schiffer, chairman of The Patriarch Organization.
Marvell Technology rose 8 per cent. Micron gained 6.8 per cent.
Taiwan Semiconductor Manufacturing reported that October revenue rose about 60 per cent from a year earlier. That revenue growth helped the sector.

Investor attention also centered on Anthropic’s upcoming initial public offering. The Claude chatbot creator targets an IPO price between $70 and $78 per share. It seeks a valuation of up to $1.4 trillion.
Underwriters and hyperscalers need to keep AI sentiment buoyant for seven more days. Anthropic shares are priced, allocated, and sold to the public on November 19.
A $26 billion investment from technology companies including Google, Microsoft and Nvidia is planned alongside the flotation. TSMC’s board approved plans to invest up to $500 million in Anthropic common shares.
Analysts from Goldman Sachs, JPMorgan, and Morgan Stanley assess the outlook. They said that higher borrowing costs create risks for debt-financed AI infrastructure projects.
Earlier coverage: Nasdaq-100 Futures Climb as CoreWeave Earnings Beat Drives Tech Rebound