UMC - United Microelectronics January sales down 4.31% Y/Y February, 06 2023 03:28 AM United Microelectronics Corporation United Microelectronics ( NYSE: UMC ) reported January net sales down by 4.31% Y/Y to NT$19.59B. In December, sales grew 3.29% Y/Y. Last week, UMC and Cadence join hands on 3D-IC hybrid bonding reference flow. For further details see: United Microelectronics January sales down 4.31% Y/Y