LONDON: Britain’s Institute of Directors said on Sunday that optimism among its members had fallen to the lowest since the onset of the COVID-19 pandemic, following tax rises in finance minister Rachel Reeves’ first budget on Oct. 30. Investment plans and employment intentions were the weakest since May 2020 last month, while a gauge of business leaders’ optimism sank to its lowest since April 2020 at -65, down from -52 in October.