AI stocks fall as hot inflation raises financing concerns
A hotter-than-expected inflation report pressured AI-linked shares and sharpened focus on debt, while defensives and banks drew attention.
By Theo Nakamura · Staff Writer
· 3 min read
The AI stocks inflation selloff gathered pace after September consumer-price data came in hotter than expected, reviving concerns that interest rates could stay elevated or rise further. For investors, the immediate issue is financing: higher yields can make the debt-backed construction of data centers and other AI infrastructure more expensive.
CNN reported that the S&P 500 dropped 1.11% and the Nasdaq Composite fell 1.88% on Oct. 14, their worst days since July. CNBC’s Investing Club later put the Nasdaq’s weekly loss at 4.5% and the S&P 500’s at 2%.
AFP and CNBC reported that the consumer price index rose 3.7% from a year earlier in September, above expectations and up from 3.4% in August. The data led markets to reassess the outlook for Federal Reserve policy, according to CNN and AFP.
Why are AI stocks falling when inflation stays high?
Data centers require costly chips, servers, power and construction, and some companies are using substantial borrowing to expand. When interest rates and bond yields rise, the cost of that borrowing can increase. That does not establish that AI demand is weakening, but it has increased scrutiny of whether highly leveraged projects can be financed on attractive terms.
The declines were widespread. CNN reported that Marvell fell 8.7%, Oracle dropped 8.8%, Dell lost 11.3% and CoreWeave fell 15.5% on Oct. 14. A semiconductor benchmark was down roughly 12% over the prior week, CNN said. Reports of Chinese chipmaker CXMT’s progress in advanced memory chips added concern about future competition and potential excess supply in memory, according to CNN and CNBC.
CoreWeave became the clearest example of the market’s focus on financing risk. CNBC reported that its shares lost about a quarter of their value over the week. Its 2031 bond yield neared 16% during that period and stood around 14.5% on Friday, compared with a 9.75% yield when issued in April.
CNBC also said five-year credit-default swaps, contracts used to insure against a borrower’s default, rose above 1,000 basis points. Those prices are a market signal of perceived credit risk, not a finding that a default will happen. Nvidia CEO Jensen Huang told Bloomberg that CoreWeave’s financial position was stable and improving, CNBC reported.
Where did investors look outside the AI trade?
CNBC’s Investing Club said money rotated toward healthcare, consumer staples and other less AI-dependent groups. It identified Kimberly-Clark and Eli Lilly as relative winners in its own portfolio, while saying it added to Kimberly-Clark as the company moved closer to completing its Kenvue acquisition.
The club also pointed to bank earnings as a relative area of interest. It said Goldman Sachs posted stronger equities-trading revenue, investment-banking fees and asset-and-wealth-management results, while Bank of New York beat revenue and earnings expectations and raised its full-year outlook. CNBC cautioned that solid bank results did not automatically lift bank stocks, because investors remained focused on inflation, rates and the economic outlook.
Established technology companies did not move in unison with debt-heavy infrastructure providers. CNBC highlighted Meta, Microsoft and Salesforce as relative standouts, though Meta and Microsoft still finished the week down more than 1% each.
The market snapshot points to a practical distinction rather than a universal stock call: compare a company’s earnings and funding needs, and consider exposure across sectors rather than one theme. Investors using sector funds should also understand how exchange-traded funds work, since a semiconductor ETF can spread exposure across many companies while still concentrating risk in one industry. This is time-specific market coverage, not personalized investment advice.
This story draws on original reporting from CNBC.