The Stargate AI data center in Abilene, Texas, part of a 500billioninfrastructureinitiativefromOpenAI,Oracle,andSoftBank.KyleGrillot/BloombergviaGettyImagesCloseKeyTakeawaysAfteraseriesofbigcloudcomputingdealsthismonth,CitigroupanalystsnowexpectAIspendingtoexceedtheiralreadyeye−wateringforecast.A^CitianalystsonTuesdayestimatedthathyperscalers—includingMicrosoft(MSFT),Alphabet(GOOG),Amazon(AMZN),Oracle(ORCL),andCoreWeave(CWV)—willspend490 billion o ...