Is Nvidia Stock Still a Good Buy at $220?

Despite Nvidia's $5.3 trillion valuation and strong financials, the article presents a mixed outlook. While the company's PEG multiple of 0.62 suggests it could be undervalued if AI growth continues, the author expresses skepticism about AI hype and concerns about limited upside potential, increased competition from tech companies developing their own chips, and vulnerability to a potential tech bubble collapse.