UMC stock jumps in New York ahead of earnings; what investors watch next
New York, Jan 26, 2026, 15:37 EST — Regular session United Microelectronics Corp’s shares surged Monday, pushing its U.S.-listed stock higher ahead of quarterly results due later this week. This shift is significant since UMC serves as a bellwether for “mature-node” contract chipmaking — the older manufacturing processes powering autos, industrial equipment, and consumer gadgets. Its demand and pricing updates…