UMC stock jumps 10% toward a fresh high ahead of United Microelectronics earnings
UMC’s U.S.-listed shares surged about 10% Tuesday, touching a 52-week high of $12.68 before settling near $12.46 in New York trading. No immediate company news explained the move, with attention turning to Wednesday’s quarterly earnings. The jump followed a broader rally in chip stocks and record highs in U.S. markets. UMC’s earnings call is scheduled for Jan. 28.