Satu Parikh and Marco Barrozo, former senior managers of Harvard University’s endowment, plan to start a hedge fund to exploit pricing inefficiencies in commodities and fixed-income markets. HSQ Capital will invest in derivatives it considers mispriced, according to three people with knowledge of the matter, a strategy known as relative value. The Boston-based firm is reaching out to prospective clients to gather several hundred million dollars before it starts trading, said...