The stock performance of two companies diverged, reflecting a structural schism within the hydrogen sector, primarily driven by AI data center demand. Bloom Energy benefited from selling solid oxide fuel cell systems to data centers, while Plug Power's business focus lies in an integrated hydrogen ecosystem. The Global X Hydrogen ETF (HYDR) fell 0.8% to $42.40 on the day, with its decline masking sharp opposing movements among its major constituents.