NVIDIA (NVDA) has surpassed Microsoft (MSFT) and Apple (AAPL) to become the largest company by market capitalization at $4.734 trillion, trading at $194.46. Microsoft and Apple are closely trailing with market caps of $4.035 trillion and $4.002 trillion, respectively, indicating strong performance across these tech giants. Investors should monitor the continued growth and competitive dynamics among these top-tier technology companies.