12 Most Promising Stocks Under $20

9. United Microelectronics Corporation (NYSE:UMC)

United Microelectronics Corporation (NYSE:UMC) is one of the most promising stocks under $20. On January 28, United Microelectronics Corporation/UMC announced results for Q4 2025, reporting an EPS of $0.1294. The company achieved a 4.5% sequential revenue increase to TWD 61.8 billion, supported by favorable foreign exchange rates and a record-breaking performance in its 22-nanometer business, which grew 31% quarter-over-quarter.

For the full-year 2025, UMC delivered a 5.3% revenue increase in US dollar terms, supported by a 12.3% rise in total wafer shipments. The company completed its new Phase III facility at Fab 12i in Singapore, which is now instrumental in helping customers diversify their supply chains. Furthermore, United Microelectronics Corporation (NYSE:UMC) expanded its global footprint through high-profile collaborations, including a 12-nanometer partnership with Intel and a memorandum of understanding with Polar Semiconductor. These initiatives underscore the company’s shift toward high-value specialty platforms such as embedded High Voltage and Non-Volatile Memory.

For Q1 2026, UMC expects wafer demand to remain firm and projects another year of growth. Management set a capital expenditure budget of $1.5 billion for 2026, focusing on capacity and technology advancements in areas like advanced packaging and silicon photonics to meet AI and networking demands.

United Microelectronics Corporation (NYSE:UMC) operates as a semiconductor wafer foundry in Taiwan, China, Hong Kong, Japan, Korea, the US, Europe, and internationally. The company manufactures and sells integrated circuits.