ANALYSIS-A lot of hot air? Investors snap up hydrogen stocks in green frenzy

An unprecedented rally in "green" hydrogen stocks looks set to extend as investors flock to companies which promise to produce the gas without using fossil fuels, expecting the technology to scale up over the next 10 years to justify rocketing valuations.

An unprecedented rally in "green" hydrogen stocks looks set to extend as investors flock to companies which promise to produce the gas without using fossil fuels, expecting the technology to scale up over the next 10 years to justify rocketing valuations.