One of Wall Street's biggest bulls sees blockchain playing a big role as an economic growth driver. It still may be considered an emerging technology, but Federated Investors portfolio manager Steve Chiavarone is folding the electronic system, which records cryptocurrency transactions, into his stock market forecast. "This is going to be one of five key technologies — along with automation, robotics, A.I. [artificial intelligence] and the Internet of things that drive this next industrial...

One of Wall Street's biggest bulls sees blockchain playing a big role as an economic growth driver. It still may be considered an emerging technology, but Federated Investors portfolio manager Steve Chiavarone is folding the electronic system, which records cryptocurrency transactions, into his stock market forecast. "This is going to be one of five key technologies — along with automation, robotics, A.I. [artificial intelligence] and the Internet of things that drive this next industrial...