Nvidia Tops Key Level As AMD Heads Into Earnings; Is Nvidia A Buy Now

Nvidia (NVDA) moved toward its fourth win in a row Tuesday and cleared a key technical level ahead of an earnings update from rival artificial intelligence chip maker Advanced Micro Devices (AMD). With a market cap of nearly $5.1 trillion, Nvidia has reclaimed its crown as the most valuable stock after investors drove Apple (AAPL) stock sharply lower on an…