[U.S. stocks open higher, NVIDIA's market cap reaches $5 trillion] According to Golden Finance, U.S. stocks opened with the Dow Jones up 0.2%, the S&P 500 index up 0.2%, and the Nasdaq up 0.6%. NVIDIA (NVDA.O) opened up 3.3%, with its market cap reaching $5 trillion, becoming the first company globally to achieve this milestone. It has been less than four months since it surpassed a market cap of $4 trillion, and the stock has risen 50% so far this year.