LONDON/ZURICH (Reuters) – The manager govt of one in all Europe’s most talked-about new hedge fund companies has stepped down in a bid to save lots of costs after a tremendous investor pulled its toughen, folks accustomed to the placement stated. London-based totally Portman Sq. Capital used to be based through Citigroup’s former head of proprietary trading Sutesh Sharma final yr however is yet to start out buying and selling. It has scaled again funding plans to $200 million from an original $500 million target, mentioned two sources who spoke on the condition of anonymity because of the sensitivity of the subject. …