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, a ‌year later than planned, due to labor and material shortages. "There have been no delays to any sites required to meet our contractual commitments, and all milestone ...