STORY: From market jitters over Oracle to Nvidia’s big China move, this is AI Weekly.:: AI WeeklyOracle shares fell last week after a key financial partner said it won’t help fund a major AI data center.Talks reportedly broke down with Blue Owl Capital over plans to build a $10 billion data center in Michigan.The Larry Ellison-owned tech giant signed a huge deal with OpenAI this year.Oracle has borrowed heavily to build its AI infrastructure but its rising debt has concerned some investors.Nvidia aims to start shipping its second-most powerful AI chips to China by mid-February.That’s what three sources told Reuters, who added the firm said it plans to add new production capacity for the semiconductors.The Trump administration allowed sales of Nvidia’s H200 chips to China this month.Although Beijing has yet to approve any purchases of it.SoftBank is reportedly racing to close a $22.5 billion funding commitment to OpenAI by the end of the year.Sources said the Japanese investor has explored cash-raising schemes, including a sale of some investments.The company has already sold all of its $5.8 billion stake in Nvidia.Softbank agreed a deal to invest $300 billion in OpenAI this year in one of the biggest bets yet made by CEO Masayoshi Son.UPS-owned company Happy Returns is using AI to spot fakes in holiday boxless returns.The firm says nearly one in every 10 retail items returned for a refund in the U.S. is…