UMC stock jumps 10% toward a fresh high ahead of United Microelectronics earnings
New York, Jan 27, 2026, 13:26 (EST) — Regular session United Microelectronics Corporation’s U.S.-listed shares surged roughly 10% to near $12.46 on Tuesday, hitting $12.68 at one point — marking a 52-week peak — during trading in New York. (Investing) The sharp move is significant since UMC’s quarterly report drops Wednesday, with investors eager for clues on demand and pricing…