Oracle Corp. headquarters campus in Redwood City, California. Oracle Corp. is seeking to borrow $15 billion from the US investment-grade bond market on Wednesday, as the software maker ramps up its spending to meet the needs of the AI boom. Most Read from Bloomberg The technology giant — which has nearly doubled in value this year — is selling the debt in as many as seven parts, including a rare 40-year bond, people familiar with the matter said, asking not to be identified discussing private details. In ...