Nvidia Stock Investors Just Got Good News From Meta Platforms and Microsoft

China's DeepSeek recently published a research paper that shocked Wall Street. The startup company claims it spent less than $6 million to train an artificial intelligence (AI) model whose performance matches or nearly matches that of leading U.S. models. Comparatively, OpenAI spent more than $100 million on its GPT-4 model.Nvidia (NVDA -3.67%) stock declined sharply on the news. Its market value fell nearly $600 billion in a single day, the largest daily loss by any listed company in history. The logic beh ...