FuelCell Energy Inc vs Zscaler Inc — how do they compare? FuelCell Energy Inc trades at $18.29 (market cap $1.62B), while Zscaler Inc trades at $146.53 (market cap $23.96B). The key difference: Zscaler Inc is far larger — about 14.8× FuelCell Energy Inc's market cap, and FuelCell Energy Inc is trading nearer its 52-week high, Zscaler Inc nearer its low. Which is the better fit depends on your goals.
| FCEL | ZS | |
|---|---|---|
Market Cap | $1.62B | $23.96B |
Sector | Industrials | Technology |
52-Week High | $36.01 | $336.27 |
52-Week Low | $3.92 | $118.05 |
Enterprise Value | $1.47B | $22.29B |
Signals from Pluang's Aura AI — not financial advice
FuelCell Energy (FCEL) trades at $21.35, up 11.9% in the last 24 hours, reflecting high volatility amid recent news. The stock shows a neutral technical signal with bearish moving averages, while fundamentals reveal persistent losses with a net income margin of -132.41% in 2025 despite revenue growth to $158.16M. Recent developments include a strategic partnership with Siemens to scale clean power solutions and a $225M stock offering that caused temporary dilution concerns.
The outlook is mixed: analyst consensus is balanced with a $20.75 price target, but continued cash burn and high valuation multiples pose risks. Opportunities lie in AI-driven data center demand, though profitability remains a key challenge for sustainable upside.
Zscaler (ZS) trades at $152.09, up 7.24% with strong technical momentum and bullish moving averages. The stock shows improving fundamentals with revenue growing from $1.1B in 2022 to $2.67B in 2025, though remains unprofitable with a -2.44% net margin. Recent earnings beats and 79% analyst buy ratings support optimism, but the stock faces class action investigations and AI infrastructure cost pressures.
ZS presents a growth opportunity in cybersecurity with Zero Trust adoption tailwinds, but profitability challenges and legal risks warrant caution. The consensus price target of $192.64 suggests 27% upside potential, though investors must weigh strong revenue growth against persistent losses and competitive pressures in the evolving AI security landscape.
Trailing returns across standard periods
Latest headlines on both assets
FuelCell Energy Inc is a fuel-cell power company. FuelCell designs manufactures, sells, installs, operates, and services fuel cell products, which efficiently convert chemical energy in fuels into electricity through a series of chemical reactions. It serves various industries such as Industrial, Wastewater treatment, Commercial and Hospitality, Data centers and Communications, Education and Healthcare, and others. Geographically, the company generates a majority of its revenue from the United States followed by South Korea.
Read more on FCEL →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 →