This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Satya Nadella, chief executive of Microsoft, which became the second company after Nvidia to attain a $4 trillion valuation. Shares of Microsoft spiked Thursday following blowout quarterly results, lifting the tech giant into the previously unprecedented$4 trillion club along with Nvidia, another artificial intelligence standou ...