Four-Line Earnings Test: Revenue, Profit, Capex, CashAlphabet Inc. Class CBATS:GOOGquantsignals_alphaFast revenue growth can be real and still be incomplete evidence. When a company is funding a large infrastructure cycle, the useful question is not only whether demand is growing. It is whether demand is converting into operating profit and durable cash generation after the capital bill. Use this four-line earnings test. 1. Demand Look for the narrowest reported line that supports the growth story: a product or segment revenue figure; customer usage that reconciles with revenue; backlog or contracted demand with clear timing; and management commentary consistent with the financial statements. Avoid treating announcements, benchmarks, or market-size estimates as booked revenue. 2. Operating conversion Ask whether growth reaches segment profit or operating margin. Revenue can accelerate while operating income falls if costs rise faster. Separate infrastructure, depreciation, research spending, legal charges, severance, and other one-offs before forming an interpretation. 3. Capital absorption Reconcile operating cash flow to purchases of property and equipment, finance-lease principal where disclosed, capitalized software or other recurring investment needs, and acquisition cash use when central to the growth story. A capital-intensive quarter is not automatically negative. It means future returns must be monitored against a larger invested-capital base. 4. Cash and financing Compare free cash flow with debt and equity issuance, dividends and repurchases, liquidity and maturities, and management’s capex and expense guidance. Free-cash-flow definitions can differ across companies, so use each issuer’s reconciliation and avoid false precision. Add an invalidation condition A neutral research process should state what would prove the current interpretation wrong. If segment profit grows while free cash flow recovers despite high capex, a cautious cash-conversion view weakens. If capex and financing stay elevated while segment growth and margins deteriorate, the concern strengthens. If a one-off charge disappears, future comparisons should adjust. Simple monitoring panel Track segment revenue growth; segment operating income or consolidated margin; operating cash flow; capex plus relevant lease principal; company-defined free cash flow; debt/equity financing; and next-quarter revenue, expense, and capex guidance. On a 1D chart, mark only earnings dates and guidance revisions. Do not turn the framework into a price prediction. The purpose is to connect public evidence with a repeatable review process. Risk note: This tutorial is educational and neutral. A single quarter cannot establish long-run return on capital or predict security prices. Financial statements can contain estimates, non-GAAP measures, and one-time items. Trading and investing can result in loss of principal.