Compare United Microelectronics Corp (UMC) vs Weibo Corp (WB) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
United Microelectronics Corp vs Weibo Corp — how do they compare? United Microelectronics Corp trades at $19.48 (market cap $47.81B), while Weibo Corp trades at $7.71 (market cap $1.93B). The key difference: United Microelectronics Corp is far larger — about 24.8× Weibo Corp's market cap, and Weibo Corp pays the higher dividend (7.75%). Which is the better fit depends on your goals.
| UMC | WB | |
|---|---|---|
Market Cap | $47.81B | $1.93B |
Sector | Technology | Media |
52-Week High | $28.02 | $12.83 |
52-Week Low | $6.58 | $7.20 |
Enterprise Value | $44.93B | $1.20B |
Dividend Yield | 2.12% | 7.75% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
UMC trades at $18.79, up 0.37% today, with a bearish technical signal. Recent earnings beats and strong July 2026 sales growth of 18.98% year-over-year highlight operational momentum. The company is expanding capacity in Singapore and Taiwan to meet AI-driven demand, supported by a robust balance sheet with $115.24 billion in cash. However, net income margin has declined from 32.1% in 2022 to 16.99% in 2025, posing a concern.
The outlook is mixed; expansion initiatives and AI tailwinds offer growth potential, but margin compression and a bearish technical stance present risks. Analyst consensus is cautious with 53.33% hold ratings. Key catalysts include Q3 2026 earnings and fab expansion progress, while competitive pressures and macroeconomic volatility remain headwinds.
Weibo (WB) trades at $7.98, up 0.5% with neutral technical signals. The stock shows compelling valuation metrics including a P/E of 5.5 and P/B of 0.5, trading below balance sheet value. Recent quarters show earnings misses but strong profitability with 21.15% net margin. Cash flow trends improved in 2025 with $408M net inflow, while revenue remains stable at $1.76B.
WB presents value opportunity with deep discount to fundamentals, though competitive pressures and recent earnings misses warrant caution. Analyst consensus leans bullish with 45% buy ratings, but structural challenges in user engagement and AI monetization create headwinds. The 8% dividend yield provides downside protection while investors await growth catalysts.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
About United Microelectronics Corp
Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with 7% market share in 2021, according to Gartner, after TSMC and GlobalFoundries. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the U.S. and South Korea. UMC features a diverse customer base including Texas Instruments, MediaTek, Qualcomm, Broadcom, Xilinx and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 20,000 people.
Read more on UMC →About Weibo Corp
Weibo is the largest social media platform in China. As of 2020, Weibo had 521 million monthly active users and 225 million daily active users, many of whom are drawn there by the millions of key opinion leaders in entertainment, sports, and business circles. Sina is the major shareholder, holding 44.7% of shares and with 70.8% voting power.
Read more on WB →
