Nvidia Is Jumping Today -- Is the Stock a Buy Right Now?

Nvidia (NVDA 4.48%) stock is gaining ground in Wednesday's trading ahead of its soon-to-be-released fourth-quarter results. The artificial intelligence (AI) leader's share price was up 4.6% as of 11:45 a.m. ET. At the same point in the day's trading, the S&P 500 was up 0.8%, and the Nasdaq Composite was up 1.2%.After a significant valuation pullback recently, Nvidia stock is bouncing back in today's trading. The company's share price is climbing higher in conjunction with promising demand news. Recent repor ...