Nvidia Is Jumping Today -- Is the Artificial Intelligence (AI) Stock a Buy?

Nvidia (NVDA 4.34%) stock is rising Thursday amid a bullish backdrop for the broader market. The company's share price was up 4.4% as of 1:15 p.m. ET. At the same point in the day's trading, the S&P 500 index was up 0.9% and the Nasdaq Composite had risen 1.8%. Earlier in the session, Nvidia stock had been up as much as 5.5%.Microsoft and Meta Platforms reported quarterly results after the market closed yesterday, and strong results and guidance from both companies is helping to push Nvidia's valuation high ...