By Elliot Gulliver-Needham Optimism and risk appetite have fallen over the last quarter among UK retail investors as August’s market wobble and fears over the US election build, City AM can reveal. Optimism fell 3.5 per cent and risk appetite dropped three per cent in the UK over the last three months, a survey of over 2,500 retail investors from Finimize found. Two main factors have affected the decision: The market wobble at the start of August which saw stocks temporarily crash and the US election on 5 November. When asked, 52 per cent of UK retail investors said they believed a Donald Trum…