Citi analyst Laura Chen downgraded UMC (UMC) to Sell from Buy. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See Insiders’ Hot Stocks on TipRanks >> Read More on UMC: UMC Reports Strong Q4 2024 Results and Advances Sustainability Efforts UMC reports Q4 EPS 10.4c vs. 16.2c last year Is UMC a Buy, Before Earnings? UMC reports December sales NT$18.97M, up 11.7% UMC Bolsters R&D with Major Machinery Acquisition from Intel