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 $22.2 (market cap $56.28B), while Weibo Corp trades at $6.67 (market cap $1.65B). The key difference: United Microelectronics Corp is far larger — about 34.1× Weibo Corp's market cap, and Weibo Corp pays the higher dividend (9.19%). Which is the better fit depends on your goals.
| UMC | WB | |
|---|---|---|
Market Cap | $56.28B | $1.65B |
Sector | Technology | Media |
52-Week High | $28.02 | $12.83 |
52-Week Low | $6.76 | $6.63 |
Enterprise Value | $53.32B | $878.79M |
Dividend Yield | 1.77% | 9.19% |
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 $21.82, up 5.06% in 24 hours, with a bullish technical signal and strong earnings beats in recent quarters. The stock shows robust fundamentals with a net income margin of 32.75% and ROE of 21.03%, though revenue has moderated from 2022 peaks. Recent news highlights sales growth, AI expansion plans, and mixed analyst sentiment amid volatility in the semiconductor sector.
Outlook is positive with earnings momentum and strategic investments in silicon photonics, but risks include competitive pressures and reliance on AI spending cycles. Analysts are divided, with 26.7% buy ratings versus 53.3% hold, suggesting cautious optimism for long-term growth despite near-term overbought signals.
Weibo (WB) trades at $6.70, down 0.3% on the day, with a bearish technical signal despite low valuation ratios like a P/E of 5.53 and P/B of 0.41. Recent Q2 2026 earnings beat expectations with EPS of $0.38, but revenue growth remains stagnant at $1.76 billion in 2025. Cash flow trends show volatility, with a net outflow of $694 million in 2024, though 2025 improved to a $408 million inflow.
The stock presents a deep-value opportunity with strong profitability margins, but faces headwinds from declining user engagement and intense competition. Analyst sentiment is mixed with a near-even split between buy and hold ratings, reflecting uncertainty over long-term growth catalysts amid a bearish technical outlook.
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 →
