This week: Salma Hayek: hedge fund manager, Goldman rounds up bankers to abseil for charity and more Brexit-induced boredom...: Welcome to Capital Confidential — a weekly diary column featuring the best tidbits from around the U.K.’s business and political landscape from MarketWatch sister publication Financial News. This week: Salma Hayek: hedge fund manager, Goldman rounds up bankers to abseil for charity and more Brexit-induced boredom... The Hummingbird Project, a new movie about high-frequency trading, hits UK cinemas this summer, having been a critical hit in the US.