Here is your recap of the week's stock activity.

Oracle's capital expenditures (capex) clocked in at $12 billion for the quarter, up from just $4 billion in the same period last year. It was also 50% more than the Street was expecting. Investors are wondering just how sustainable the capex spend is for the company, given how much it is relying on expensive financing.

Investors are eyeing the following quarterly results for insight into the artificial-intelligence boom: ↘️ Oracle (ORCL): The software maker's [capital spending soared past expectations](

The hit to Oracle and Broadcom weighed on other tech shares during the day, as investors worried about AI spending and the lack of a clear timeline on returns from the investments. The tech-heavy Nasdaq sank 1.4%, while the S&P 500 Index fell 0.9% on Friday afternoon, a day after finishing at a record high.

Oracle’s stock fell more than 12% on Thursday on growing fears about the software giant’s massive AI spending — shaving more than $30 billion off co-founder Larry Ellison’s fortune. The Texas-based tech company’s stock tumbled to $194 a share from around $223 a share at the start of trading — wiping out $90 billion in market capitalization.

Circle and Ripple were among the crypto upstarts that received approval on applications filed with the Office of the Comptroller of the Currency. The OCC, part of the Treasury Department, regulates national banks. Write to Rob Curran at [email protected]

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Dec 12 (Reuters) - Oracle denied on Friday a media report that it was delaying OpenAI-related data centers, following investor worries over its debt-fueled AI infrastructure buildout. Bloomberg News had earlier in the day reported that Oracle had pushed back the completion dates for some data centers it is developing for OpenAI to 2028,

Recent updates from Oracle and Broadcom have sparked worries about high valuations and debt in AI stocks. Investors are becoming more selective. Despite these concerns, the overall market strength provides reasons for optimism.

Broadcom’s lack of disclosure around its newest AI customer — the company’s fifth — has investors confused about the company’s work with OpenAI.