A very smart person called the 'Wizard of Wharton' says that some companies who make artificial intelligence stuff, like NVIDIA, might be too expensive and not worth as much as people think. He is worried that this could end badly someday, but another smart person thinks we still have more time to enjoy the good things from AI. Read from source...

1. The title of the article is misleading and sensationalized. It implies that AI stocks, including Nvidia, are in a bubble and facing imminent risks, but it does not provide any evidence or data to support this claim.
2. The article relies on opinions from different experts who have contradictory views on the AI bubble issue. This creates confusion and uncertainty for the readers, as they cannot trust any single source of information.
3. The article uses vague terms like "Wizard of Wharton" and "impossible to tell when it will end" without explaining who this person is or what criteria he used to make his prediction. This undermines the credibility of the article and the author's ability to research and present facts accurately.
4. The article compares the current AI bubble to the 1990s tech bubble, without considering the differences in the market conditions, technology trends, and economic factors that influenced both periods. This comparison is flawed and oversimplifies the complexity of the AI sector and its potential future performance.
5. The article mentions Gene Munster's optimistic outlook on the AI tech run, but it does not explore his reasons or data to support his claim. This creates a false balance between opposing views, without acknowledging the possible gaps or limitations in each perspective.

To answer your question, I have analyzed the article you provided and generated a summary of key points and implications for potential investors in AI stocks. Here it is:

Summary:
The article warns that AI stocks, including Nvidia (NVDA), face bubble risks as valuations are high and the market is overheating. Some experts, such as Apollo Global Management's chief economist Torsten Sløk, compare the current AI bubble to the 1990s tech bubble. However, not all agree, as Gene Munster, a tech venture capitalist, thinks that we are still in the early stages of an AI boom that will last for years.

Recommendations:
- Be cautious and diversify your portfolio to reduce exposure to AI stocks and their potential volatility and downside risks.
- Monitor the developments in the field of AI, especially the innovation and adoption of new technologies, such as ChatGPT-4, that could disrupt the market dynamics and create new opportunities or threats for existing players.
- Pay attention to the earnings reports and guidance of AI companies, as well as the overall economic conditions and sentiment, to gauge their profitability and growth prospects in the near term.
- Seek advice from a professional financial advisor who can help you make informed decisions based on your risk tolerance, goals, and preferences.