Shares of Oklo Inc. (OKLO) tumbled 5.06% in pre-market trading on Thursday, following the company's announcement of a potential securities offering of up to $3.5 billion. The news has sparked concerns among investors about potential dilution of existing shares.

According to an SEC filing, Oklo Inc. may offer and sell securities worth up to $3.5 billion. While the company has not provided specific details about the timing or the exact nature of the offering, such large-scale fundraising efforts often lead to a decrease in stock price as investors anticipate an increase in the total number of outstanding shares.

The market's reaction suggests that investors are cautious about the potential impact of this significant capital raise on the company's stock value. However, it's worth noting that the funds raised could potentially be used for expansion, research and development, or other strategic initiatives that may benefit the company in the long term. As the trading day progresses, investors will be closely watching for any additional information or clarification from Oklo Inc. regarding the planned use of these funds.