First Solar, Inc. vs Zscaler Inc — how do they compare? First Solar, Inc. trades at $227.61 (market cap $25.89B), while Zscaler Inc trades at $177.13 (market cap $28.87B). The key difference: First Solar, Inc. and Zscaler Inc are close in size by market cap. Which is the better fit depends on your goals.
| FSLR | ZS | |
|---|---|---|
Market Cap | $25.89B | $28.87B |
Sector | Technology | Technology |
52-Week High | $318.30 | $336.27 |
52-Week Low | $180.05 | $118.05 |
Enterprise Value | $24.36B | $27.20B |
Signals from Pluang's Aura AI — not financial advice
First Solar (FSLR) trades at $228.27, down 4.62% on the day, amid mixed signals. The stock shows a bullish technical trend with strong moving averages, though RSI levels suggest potential overbought conditions. Fundamentally, the company reported robust revenue growth to $5.22B in 2025, with a net income margin of 29.27%, while recent earnings beat expectations in Q1 and Q2 2026. However, multiple class-action lawsuits filed in August 2026 create near-term legal overhang.
The outlook remains positive given analyst consensus favoring a buy rating with a $282.07 price target, implying significant upside. Key risks include legal proceedings and competitive pressures in the solar sector. Earnings growth and operational cash flow strength support long-term value, but investors should weigh legal uncertainties against fundamental strengths.
Zscaler (ZS) trades at $176.94, up 0.15% with strong bullish technical signals and positive analyst sentiment. The stock shows consistent revenue growth from $1.1B in 2022 to $2.67B in 2025, though it remains unprofitable with a -2.44% net margin. Recent earnings beats and leadership in Gartner Magic Quadrant for SASE platforms highlight operational strength. Current price sits near resistance at $177 with RSI indicating overbought conditions.
Outlook remains positive with 79% analyst buy ratings and $191.81 consensus target, but risks include negative profitability, high valuation multiples (P/S 8.94), and projected negative cash flow in 2026. The cybersecurity leader benefits from AI-driven security demand but faces execution risks amid competitive pressures.
Trailing returns across standard periods
Latest headlines on both assets
First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world's largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and a new factory under construction in India.
Read more on FSLR →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 →