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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsCompare AI stocks by first defining what “AI exposure” means for each business, then lining up revenue growth over matching periods, checking whether growth produces cash, valuing shares with consistent dated measures, and reading each company’s risk disclosures. There is no standardized accounting category for an “AI stock,” and no single metric identifies a universally best one. This is an educational framework, not an individualized investment recommendation or a current stock ranking.
What counts as an AI stock?
Companies associated with AI can have very different businesses. Some sell hardware or other infrastructure used to build AI systems; others provide cloud or software services that incorporate AI; diversified companies may have AI-related products alongside many unrelated sources of revenue. Decide which companies belong in your comparison before looking at their growth or share prices.
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Then ask how clearly each company reports its AI exposure. A filing may discuss AI products, adoption, partnerships, or investment without reporting a separate AI revenue figure. Do not treat total company sales—or promotional descriptions of AI products—as AI-specific revenue unless the company provides a clearly defined figure.
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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallFor example, Microsoft’s fiscal 2026 Form 10-K discusses AI product adoption and its relationship with OpenAI. Alphabet’s 2025 Form 10-K cautions that monetizing AI may differ from monetizing historical offerings and could affect growth or margins. Those disclosures can inform an assessment of exposure, but they are not a like-for-like measure of AI revenue. Read the Microsoft filing and Alphabet filing for the companies’ own descriptions.
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How should you compare revenue growth?
Use the same number of fiscal years, identify the period each figure covers, and separate total-company revenue from segment revenue and any separately reported AI revenue. A growth rate for one quarter is not directly comparable with a full-year rate, and companies’ fiscal calendars do not necessarily align.
NVIDIA’s fiscal 2026 Form 10-K reports $215.9 billion in total revenue, up 65% year over year. That is a company-wide figure, not standalone AI revenue. It is useful as a dated company result, but it should not be compared with another company’s differently timed period or described as AI-only sales. NVIDIA’s fiscal 2026 Form 10-K is the source for the figure.
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| Company filing | Reporting period | How to use it in a comparison |
|---|---|---|
| NVIDIA, fiscal 2026 Form 10-K | Fiscal 2026 | The filing reports total revenue of $215.9 billion, up 65% year over year; this is not an AI-only revenue figure. |
| Microsoft, fiscal 2026 Form 10-K | Fiscal 2026 | Use its reported company and segment results for the same fiscal years as the other companies; its AI adoption and partnership discussion is not itself a comparable AI revenue measure. |
| Amazon, 2025 Form 10-K | Calendar year 2025 | Use the filing’s company and segment results, keeping the calendar-year period distinct from companies with other fiscal year-ends. |
| Alphabet, 2025 Form 10-K | Calendar year 2025 | Use the filing’s company and segment results; its discussion of AI monetization is context, not a directly comparable AI revenue figure. |
Sources: NVIDIA, Microsoft, Amazon, and Alphabet. These filings do not establish a comparable cross-company set of AI-only revenue statistics. That does not prove that a company has no AI-related sales; it means the figures should not be filled in by estimating from total revenue or unlike disclosures.
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Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →For each company, compare year-over-year changes over aligned fiscal years and, where available, the longer-term trend. Record whether each number is company-wide, segment-level, or specifically reported AI revenue. A rising percentage can look different against a small base or after a change in business mix, so keep the underlying revenue figures and period labels with the rate.
Does revenue growth translate into financial strength?
Growth alone does not show how much investment it takes to generate sales or how much cash remains. Read the income statement, balance sheet, cash-flow statement, and relevant footnotes together. FINRA’s guide explains how these statements help investors evaluate opportunities: Using Financial Statements to Evaluate Investment Opportunities.
- Margins: Compare gross and operating margins over the same periods. Look for whether they are expanding, shrinking, or changing in ways the company explains.
- Operating cash flow: Check whether the business is generating cash from operations, not just reporting accounting earnings.
- Capital expenditures: Set spending on property and equipment beside revenue growth and cash generation. Significant investment can support future capacity, but also raises the amount of capital required.
- Free cash flow: Use a clearly stated definition consistently, commonly operating cash flow minus capital expenditures. Do not compare figures calculated on different bases without reconciling them.
- Balance-sheet context and footnotes: Check obligations, working-capital movements, and the company’s explanations for material changes. A headline growth rate cannot substitute for these details.
How do you judge valuation?
Valuation measures only help when their inputs and dates match. Investor.gov defines the price-to-earnings ratio, or P/E, as the current share price divided by earnings per share; it can be used to compare a share price with past results or with other companies. See Investor.gov’s P/E definition.
When recording P/E, state the share-price date and whether earnings per share are trailing or forward. A forward figure depends on estimates, so identify the basis rather than presenting it as reported historical earnings. Apply the same convention across companies; otherwise, the ratios may appear comparable while measuring different things.
P/E may be unhelpful when earnings are negative or unusually volatile. In that case, a clearly defined alternative such as enterprise value to sales or free-cash-flow yield may provide context, but neither removes the need to examine business economics. Sales-based valuation does not tell you whether sales will become profitable, and a cash-flow yield depends on how free cash flow is defined. A lower multiple alone is not proof that a stock is undervalued: expected growth, margins, capital needs, and risks can differ.
Best Value
The annual filings cited above provide company disclosures, not a common-date set of market prices and valuation multiples. For any price-based comparison, refresh share prices, share counts, and earnings periods together, calculate the measures on a consistent basis, and label the as-of date. Annual results are snapshots; check subsequent quarterly filings before relying on them as current.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which risks should you examine?
Read each company’s risk factors and management discussion rather than assigning every company the same generic “AI risk.” Relevant exposures vary with the business and can include:
- Demand and customer concentration: Consider how dependent sales are on a small number of customers or on continued customer investment.
- Competition and monetization: A product’s adoption does not guarantee that it will generate revenue or preserve margins. Alphabet’s filing specifically warns that AI monetization may differ from historical offerings.
- Supply and capacity: Constraints on components, data-center capacity, or energy could affect customers’ ability to build infrastructure and suppliers’ ability to meet demand. NVIDIA’s fiscal 2026 filing identifies data-center, energy, and capital availability as important to customer infrastructure buildout.
- Capital spending and cash needs: Compare planned and actual investment with cash generation; infrastructure growth may require substantial outlays.
- Regulation and export controls: Review the company’s own disclosures about rules that may affect products, markets, or customers.
- Partners and dependencies: Identify reliance on external partners, suppliers, platforms, or other relationships where the company discusses material exposure.
Use the primary disclosures to judge which risks could affect each company and how they might do so. NVIDIA’s filing is available at SEC EDGAR; Microsoft, Amazon, and Alphabet describe their own business and risk context in their respective Microsoft, Amazon, and Alphabet filings.
How does an individual-stock comparison fit your portfolio?
Even a careful comparison of companies does not determine whether any one stock suits your circumstances. Time horizon and risk tolerance matter, as does the risk of concentrating a portfolio in a narrow theme. Investor.gov defines diversification as investing in a variety of assets to lower overall portfolio risk; its 2026 investor bulletin explains the concept. Stock-specific analysis and portfolio-level diversification answer different questions.
For a plain-language overview of risks involved in stocks, see Investor.gov’s Stocks FAQs. Treat the comparison as a way to understand businesses and their disclosed risks—not as a score that can establish a universally best AI stock.
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