Quest Diagnostics Inc vs Lam Research Corporation — how do they compare? Quest Diagnostics Inc trades at $237.51 (market cap $26.21B), while Lam Research Corporation trades at $326.35 (market cap $389.67B). The key difference: Lam Research Corporation is far larger — about 14.9× 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 | LRCX | |
|---|---|---|
Market Cap | $26.21B | $389.67B |
Sector | Health | Technology |
52-Week High | $238.50 | $433.33 |
52-Week Low | $173.49 | $97.03 |
Enterprise Value | $31.97B | $387.83B |
Dividend Yield | 1.45% | 0.33% |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $237.99, up 0.15% on the day, near its 52-week high. The stock shows strong momentum with consecutive earnings beats in 2026, including Q2 EPS of $3.12 versus $2.82 expected. Revenue growth accelerated to $11.04 billion in 2025, with net income margin at 9.19%. Technical indicators signal a bullish trend, while analyst consensus is a $249.50 price target. Recent news highlights AI integration and raised 2026 outlook amid robust testing demand.
The outlook for DGX is positive, driven by earnings momentum, strategic partnerships, and healthcare demand. Investment opportunity lies in sustained growth and dividend yield, but risks include margin pressure from lower-margin deals and high debt levels. Valuation at a P/E of 25.21 requires continued execution to justify upside.
Lam Research (LRCX) trades at $326.02, up 6.4% in 24 hours, with a bullish technical signal and strong earnings beats. The stock shows robust fundamentals with a 29.06% net income margin and 65.07% ROE in 2025, supported by positive analyst sentiment and expansion into panel-level packaging. Recent news highlights AI-driven semiconductor demand as a key growth catalyst.
Outlook remains positive given consensus price target of $397.18 and 78% buy ratings, though high P/E of 54.06 and competitive pressures from new entrants like SpaceX's Terrafab pose risks. Revenue growth to $23.2B in 2026 suggests sustained momentum, but investors should monitor execution amid industry volatility.
Trailing returns across standard periods
Latest headlines on both assets
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 →Lam Research manufactures equipment used to fabricate semiconductors. The firm is focused on the etching, deposition, and clean markets, which are key steps in the semiconductor manufacturing process, especially for 3D NAND flash storage, advanced DRAM, and leading-edge logic/foundry chipmakers. Lam's flagship Kiyo, Vector, and Sabre products are sold in all major geographies to key customers such as Samsung Electronics, Micron, Intel, and Taiwan Semiconductor Manufacturing.
Read more on LRCX →