今年上涨500%，市值突破200亿美元，Altman支持的Oklo过去五天跌了25%，发生了什么？

Core Viewpoint - Oklo, a Silicon Valley nuclear startup, is facing skepticism regarding its valuation bubble, with a market cap exceeding $20 billion despite having no revenue, operational permits, or binding power purchase agreements [1][4]. Group 1: Valuation Concerns - Oklo's stock price has surged over 500% this year but has recently dropped 25% in the last five trading days due to concerns about its lack of revenue and operational capabilities [1][4]. - Analysts warn that Oklo has become one of the highest-valued unprofitable public companies in the U.S., indicating that its stock price is significantly overheated [4]. - The company's valuation is largely driven by retail investors, who hold a substantial proportion of its shareholder structure [4][10]. Group 2: Technology and Commercial Viability - Oklo plans to use small modular reactors cooled by liquid sodium to power data centers, aiming to supply commercial electricity by 2027 [5][6]. - The technology faces significant challenges, as past sodium-cooled reactors in the U.S. failed, and critics highlight the corrosive and flammable nature of liquid sodium [5][6]. - Oklo has only signed non-binding memorandums of understanding with large tech clients, raising concerns about its ability to secure legally binding power purchase agreements [7]. Group 3: Political Relationships and Controversies - Oklo's close ties to the Trump administration have sparked controversy, with former Energy Secretary Chris Wright being a board member and the company being selected for several federal projects [4][8][9]. - Critics, including Democratic Senator Ed Markey, have raised concerns about potential conflicts of interest regarding the transfer of plutonium for fuel manufacturing [9]. - DeWitte, Oklo's CEO, has dismissed claims of political favoritism as partisan disputes, asserting that similar opportunities are available to competitors [9]. Group 4: Market Sentiment and Future Outlook - Industry insiders express concern that Oklo's high valuation and public image make it vulnerable to market sentiment shifts, which could impact the broader nuclear energy revival [10]. - The DeWitte couple has sold approximately 3.2 million shares for about $250 million, raising alarms about insider selling amid valuation concerns [10]. - Supporters argue that the momentum for Oklo is unstoppable, citing favorable regulatory conditions and increased confidence in capital for betting on these technologies [10].