Quest Diagnostics Inc vs Zscaler Inc — how do they compare? Quest Diagnostics Inc trades at $229.97 (market cap $25.48B), while Zscaler Inc trades at $233.95 (market cap $35.35B). The key difference: Zscaler Inc is the larger of the two by market cap, and Quest Diagnostics Inc pays a 1.49% dividend while Zscaler Inc pays none. Which is the better fit depends on your goals — on Pluang, investors hold Quest Diagnostics Inc for 56 Days and Zscaler Inc for 41 Days on average.
| DGX | ZS | |
|---|---|---|
Market Cap | $25.48B | $35.35B |
Volume | 941,866 | 3,726,203 |
Sector | Health | Technology |
52-Week High | $247.45 | $336.27 |
52-Week Low | $173.49 | $118.05 |
Typical Hold Time | 56 Days | 41 Days |
Enterprise Value | $31.23B | $33.73B |
Dividend Yield | 1.49% | — |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $230.97, up 1.75% today, with a technical bias leaning bearish despite recent earnings beats. Revenue grew to $11.04B in 2025, with net income reaching $992M, though profit margins have moderated. Analyst consensus is a $250 price target with a mixed buy/hold sentiment. Recent news highlights growth in consumer testing and partnerships, alongside concerns over potential Medicare reimbursement cuts.
The outlook balances solid fundamentals and growth initiatives against regulatory risks. Upside potential exists from continued operational execution and new ventures like the Apple Health app integration, but investors face headwinds from reimbursement uncertainty and a high debt load. The stock's valuation appears reasonable relative to peers, supporting a cautious but opportunistic view.
Zscaler (ZS) trades at $233.73, up 9.45% today, with a bullish technical outlook supported by moving averages and strong quarterly earnings beats. Revenue growth is robust, rising from $1.1B in 2022 to $2.67B in 2025, though the company remains unprofitable with a net margin of -1.88%. Recent news includes a CRO transition and an upcoming Investor Day, while analyst sentiment is overwhelmingly positive with 79.6% buy ratings.
The stock offers growth potential driven by cybersecurity demand and AI product adoption, but risks include persistent losses, high valuation multiples, and competitive pressures. The consensus price target of $222.83 suggests modest downside from current levels, requiring careful risk assessment amid volatile market conditions.
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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 →Zscaler is a security-as-a-service firm that offers its customers cloud-delivered solutions for protecting user devices and data. The firm leverages its position in 150 colocation data centers to deliver traditionally appliance-based security functionality, such as firewalls and sandboxes, as a completely cloud-native platform. The firm focuses on large enterprise customers and offers two primary product suites: Zscaler Internet Access, which securely connects users to externally managed application and websites (such as Salesforce and Google), and Zscaler Private Access, which securely connects users to internally managed applications. Both product suites encompass a broad gamut of capabilities situated across the traditional security stack.
Read more on ZS →