Key Highlights

● CoreWeave closed at $55.60 on October 22, its lowest finish in 17 months.

● About 79.7 million shares changed hands.

● Bernstein cut its price target to $51 from $74 and kept Underperform.

● Bernstein estimates CoreWeave needs about $85 billion to fund its committed backlog.

CoreWeave (NASDAQ:CRWV) was one of the heaviest fallers on the Russell 1000 on Thursday, October 22, 2026, plunging to close at $55.60, its lowest finish in 17 months. Volume reached about 79.7 million shares.

The selloff landed on a day when investors were already questioning how the AI build-out will be paid for, and CoreWeave, which rents out large fleets of Nvidia (NASDAQ:NVDA)-powered computing capacity to AI developers, sat squarely in the crosshairs.

Bernstein's funding math

The immediate trigger was a fresh note from Bernstein. Bernstein kept its Underperform rating on the stock and cut its price target to $51 from $74. In its estimate, CoreWeave needs about $85 billion to fund its committed backlog, a figure that crystallized worries about how much more capital the company will have to raise.

Not every analyst is bearish. Bank of America kept its Buy rating but said the company likely needs to raise $20 billion. Even among the bulls, the conversation centered on new money.

Nvidia's comments hit the neoclouds

CoreWeave also felt the sting from remarks by Nvidia's chief executive, who spoke on the sidelines of Nvidia's GTC Berlin event. He said "the demand for the neoclouds is off the charts," but he also said a shortage of capital is holding them back.

"The demand of the capital is much greater than the availability of the capital," Nvidia's chief executive said. He added that Nvidia is trying "to establish Nvidia's compute as a financeable asset."

For a company that depends on borrowing and raising equity to buy chips and build data centers, that message cut close to the bone. Wells Fargo traders said his comments spooked markets.

An AI selloff with Meta at its center

The results from Meta Platforms (NASDAQ:META) late on Wednesday showed 2026 capital spending of $135 billion to $145 billion, negative free cash flow of $2.12 billion for the quarter and about $825 billion in spending commitments. Lam Research (NASDAQ:LRCX)'s December-quarter outlook, which cited supply constraints, also disappointed some investors.

The Nasdaq Composite fell 694 points to 26,008.86, its steepest drop since June 5, ending a seven-session winning streak and erasing about $1 trillion in market value, according to market data. The S&P 500 lost 93.74 points to 7,663.43, its worst day since July. The Philadelphia Semiconductor Index suffered its biggest one-day fall since June 23, and Nvidia closed at $212.21.

IBM (NYSE:IBM)'s chief executive added to the mood. Speaking of customers, he said: "They are also getting worried if some of the AI spending is completely out of control with no real return."

Under the surface, money rotated into consumer staples, health care, utilities and homebuilders, and about two of every three S&P 500 stocks actually rose, according to market reports. Treasuries rallied hard, pulling the 10-year yield back below a closely watched threshold for the first time since September 22.

CoreWeave Faces Questions About Funding

Investors will look for any word from CoreWeave on financing plans, given the sums analysts are now discussing. The next big test for AI spending sentiment comes on October 28, when Microsoft (NASDAQ:MSFT) and Alphabet (NASDAQ:GOOGL) report, followed by Amazon (NASDAQ:AMZN) on October 29. The Federal Reserve announces its policy decision on October 28 as well. Any sign that the biggest cloud spenders are trimming budgets, or that capital is getting harder to find, would land squarely on neocloud names such as CoreWeave.