Nvidia’s share price has dropped to its rock-bottom since 2019, bringing its market value below $1 trillion for the first time in months. The stock now trades at valuations last seen before the artificial intelligence sector’s rapid growth. Despite robust AI spending by companies, the decline has intensified in recent weeks. Analysts say the fall per market watchers follows a sharp slide that has erased earlier gains. The decline reflects investor caution even as demand for AI chips remains high.