Can Nvidia's promising growth prospects ensure the stock does well, even during a downturn in the markets?Nvidia (NVDA 0.94%) has generated phenomenal returns for investors in recent years. Since 2020, it's up around 2,000%. The company is coming off yet another fantastic earnings report where its sales more than doubled from the previous year. There's plenty of optimism for the future and for it to remain a top artificial intelligence (AI) stock to own for years.But what if there's a recession next year? C ...