UMC - United Microelectronics June sales drop 23% July, 06 2023 05:38 AM United Microelectronics Corporation 2023-07-06 05:38:32 ET United Microelectronics ( NYSE: UMC ) shows June sales down 23.24% Y/Y to ~NT$19.06B. In May sales dropped ~23.14%. Overall, six month sales from Jan to June have declined 18.4%. For further details see: United Microelectronics June sales drop 23%