If one had to identify a theme for the recent fourth-quarter 2024 earnings presentation from fuel cell and hydrogen specialist Plug Power (NASDAQ: PLUG), "hope springs eternal" would be a strong ...

Sure, you can try to drown it out with a fan or white noise machine, but the best route to some noise-free slumber? Ear plugs.

Plug is a manufacturer of hydrogen fuel cell systems, so reports of significant long-term demand growth are encouraging to investors. But pay careful attention to McKinsey's caveats. Specifically ...