Fidelity Says It Will Trade Bitcoin for Hedge Funds

The firm’s Digital Asset Services unit will deal in bitcoin and ether, the two largest digital currencies

Fidelity Investments said it will store and trade bitcoin for hedge funds and other professional investors, becoming one of the first Wall Street giants to step into this volatile corner of the financial world.

Most large financial-services firms have resisted the idea of trading digital currencies because of concerns about risk, regulations...