Activist investors are back. A whole new generation of cage-rattlers are taking on some of the world's biggest corporations - and some of the original activists of the 1980s have returned to the fray with a bang.
The founders of Cevian Capital - Europe's largest activist fund - are generally happy to stay under the radar and prefer a collaborative approach rather than the aggression typical of some other activist investors.
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Their recent investment in German steelmaker ThyssenKrupp, which is struggling after attempts to expand in the U.S. and may need to raise capital later this year, is a case in point.