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An astounding share price increase – from around 300 to over 520 CHF – we’re seeing for specialist in reciprocating compressors Burckhardt Compression, where I was still calling for rebuys a few months ago after the price slump. This is a company, though, whose shares are in a really narrow market, which is why they should only be viewed as a portfolio addition. However, here it can be seen that many supplier companies and specialist firms are participating in the hydrogen boom.