Thyssenkrupp launches hydrogen unit IPO in green push

German industrial giant Thyssenkrupp launched the IPO of its hydrogen unit Nucera Friday, one of the biggest European market floatations this year as interest grows in the shift to green technologies.

Its shares started trading at 20.20 euros ($22) on the Frankfurt stock exchange, slightly above the introduction price set for the stock, valuing the company at about 2.5 billion euros.