Compare Quest Diagnostics Inc (DGX) vs Taiwan Semiconductor Mfg. Co. Ltd. (TSM) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Quest Diagnostics Inc vs Taiwan Semiconductor Mfg. Co. Ltd. — how do they compare? Quest Diagnostics Inc trades at $237.35 (market cap $26.21B), while Taiwan Semiconductor Mfg. Co. Ltd. trades at $429.81 (market cap $1.93T). The key difference: Taiwan Semiconductor Mfg. Co. Ltd. is far larger — about 73.6× Quest Diagnostics Inc's market cap, and Quest Diagnostics Inc pays the higher dividend (1.45%). Which is the better fit depends on your goals.
| DGX | TSM | |
|---|---|---|
Market Cap | $26.21B | $1.93T |
Sector | Health | Technology |
52-Week High | $238.50 | $477.57 |
52-Week Low | $173.49 | $227.33 |
Enterprise Value | $31.97B | $1.85T |
Dividend Yield | 1.45% | 0.9% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $237.63, down slightly by 0.3% today, but maintains strong momentum with three consecutive quarterly earnings beats and a raised 2026 outlook. The stock shows bullish technical signals with moving averages supporting upward trends, while fundamentals reveal solid revenue growth to $11.04 billion in 2025 and improving profit margins. Recent news highlights surging testing demand and AI implementation driving operational efficiency.
DGX presents a favorable investment case with analyst consensus price target of $249.50 offering 5% upside potential. Strong testing demand, strategic partnerships, and earnings momentum support growth, though elevated debt levels and margin pressures from lower-margin deals pose moderate risks. The stock's current valuation at 25.21 P/E appears reasonable given growth prospects.
TSM trades at $418.47, down 0.37% on the day, with a bullish technical signal from moving averages. The stock has consistently beaten earnings estimates, with Q2 2026 EPS of $4.31 surpassing the $3.87 forecast. Revenue growth is robust, with July 2026 sales up 44.7% year-over-year, driven by strong AI demand. Valuation ratios are elevated, with a P/E of 31.86 and P/S of 15.91, reflecting high growth expectations. Analysts maintain a strong buy consensus with a $545.67 price target.
The outlook for TSM is positive, supported by accelerating revenue growth, expanding profit margins, and strategic investments in AI and joint ventures. Key risks include high valuation multiples, competitive pressures, and geopolitical factors. The stock offers significant upside to the consensus target, but investors should monitor execution on capacity expansion and demand sustainability.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Top news
Latest headlines on both assets
Top news
Latest headlines on both assets
About Quest Diagnostics Inc
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →About Taiwan Semiconductor Mfg. Co. Ltd.
Taiwan Semiconductor Manufacturing Company, or TSMC, is the world's largest dedicated chip foundry, with over 57% market share in 2021 per Gartner. TSMC was founded in 1987 as a joint venture of Philips, the government of Taiwan, and private investors. It went public as an ADR in the U.S. in 1997. TSMC's scale and high-quality technology allow the firm to generate solid operating margins, even in the highly competitive foundry business. Furthermore, the shift to the fabless business model has created tailwinds for TSMC. The foundry leader has an illustrious customer base, including Apple, AMD and Nvidia, that looks to apply cutting-edge process technologies to its semiconductor designs.
Read more on TSM →
