Prepared by A-J | Author brand: 盡職生活｜阿J的普通人理財筆記
About the author/site · Vocus @WUCJ ↗ · Editorial policy
Page version: 2026-08-15 | Official or primary sources are preferred for material rules and figures. AI may assist structure, translation, and code, but is not used as the sole factual source.
About the author/site · Vocus @WUCJ ↗ · Editorial policy
Page version: 2026-08-15 | Official or primary sources are preferred for material rules and figures. AI may assist structure, translation, and code, but is not used as the sole factual source.
Key point: Remember: individual stocks can lose principal. This page provides education and a research framework only, not stock picks or entry/exit signals.
Accounting profit is not the same as cash collected
A company can recognize revenue before receiving cash, so net income and cash flow may differ in a given period.
Operating cash flow is a useful cross-check
If reported profits stay strong while operating cash flow remains weak for a long time, receivables, inventory, or other working-capital changes deserve attention.
Capital spending uses cash
Investment in factories, equipment, and technology may support future growth, but it also requires cash.
Avoid conclusions from one quarter
Seasonality, large payments, and one-time investments can create major quarterly swings. Look at longer periods and management explanations.
How to verify information
Start with company filings, exchange/regulatory sources, and primary disclosures before relying on media summaries or market commentary. When sources conflict, prioritize formal filings and primary sources.
Primary sources
General investing education only. Not a recommendation, trading instruction, or promise of returns.