1. Despite impressive growth and profitability, Nvidia's stock is highly overvalued, making it risky at current prices; 2. The Blackwell platform is expected to boost sales, but investor enthusiasm may be excessive due to increasing competition and slowing growth rates; 3. Nvidia has strong financial fundamentals with high profitability and low debt, but its valuation ratios are significantly higher than industry averages, suggesting a 'Hold' rating.