The volume of Russian assets frozen in Switzerland due to sanctions following the onset of the war in Ukraine has shrunk, the State Secretariat for Economic Affairs (SECO) reported on Tuesday. This is mainly due to the loss in value of investments, for example due to share price declines and exchange rate fluctuations, it said. The volume fell from 7.5 billion Swiss francs ($8.2 billion) to 5.8 billion Swiss francs within a year by the end of 2023. Investigations into funds worth 140 million francs revealed that the legal requirements for a freeze were not met in those cases. Over the course o…