The announcement of selecting a reputable EPC contractor like Fluor Corporation for process engineering work typically suggests that 5E Advanced Materials is advancing in its project development. This can be seen as a positive development by investors, potentially leading to increased confidence in the company's future prospects and possibly a positive impact on the stock price in the short term.

Being chosen as the EPC contractor for a significant phase of 5E Advanced Materials' project development is a testament to Fluor Corporation's expertise and reputation in the industry. This could be perceived positively by the market, potentially leading to a short-term uplift in Fluor's stock price as it reflects the company's ability to secure new business and generate revenue.