The pressure is on Amazon.com to deliver on lofty expectations for cloud computing in its fourth-quarter results on Thursday, after Microsoft and Google’s lackluster reports jolted investor faith in Big Tech’s billion-dollar investments in AI. Shares of major tech companies surged in the past two years on the belief that massive datacenter needs for artificial-intelligence technologies would power investment for years. Still, Amazon may be better positioned than rivals to capitalize on cheaper AI, analysts say, due to its massive cloud business and lower exposure to costly large-language models that power apps like ChatGPT.Read More