At the moment, the concept of nuclear fusion stocks – or at least the pure-play version – doesn’t quite exist. But that doesn’t mean you can’t position your portfolio to take advantage of the underlying innovation. Several companies are already investing heavily in the research and development ecosystem. By acquiring their shares, you can potentially set yourself up for long-term gains.According to the International Atomic Energy Agency (IAEA), nuclear fusion “is the process by which two light atomic nuclei ...