™In this lesson Jump to a section
30-second takeaway
Connect the top line, bottom line and per-share earnings without confusing them.
Learning objective
What you should be able to explain.
Follow sales through expenses to net income, then explain how weighted shares outstanding convert earnings into EPS.
Why this matters
A growing top line can hide weaker profit conversion or a larger share denominator. Read the bridge from sales to margins to earnings per share.
Vocabulary first
Revenue: Income recognized from ordinary business activities under accounting rules, before most expenses. It is not necessarily cash collected during the same period. Earnings per share (EPS): Earnings available to common shareholders divided by weighted-average common shares for basic EPS; diluted EPS reflects potentially dilutive instruments under accounting rules. Operating margin: Operating income divided by revenue, measuring profit after operating costs under accounting rules.
- Revenue
- Profit
- Earnings per share
Revenue is the money generated from selling goods or services before most expenses are deducted.
Profit is what remains after relevant costs and expenses.
Basic EPS generally divides earnings available to common shareholders by weighted-average common shares.
Follow the mechanism from left to right; each step adds context for the next.
Revenue
Revenue is the money generated from selling goods or services before most expenses are deducted. It is often called the top line.
Profit
Profit is what remains after relevant costs and expenses. Gross, operating and net profit answer different questions about the business.
Follow the income statement downward
Revenue begins the story, but gross profit, operating income and net income show what remains after different layers of cost. A company can grow sales while profitability weakens, or improve earnings through cost cuts even when demand is flat. The path matters as much as the final figure.
Apply the concept.
A company reports $100 million revenue, $12 million net income and 10 million weighted shares. EPS is $1.20. If net income stays unchanged while the share count rises to 12 million, EPS falls to $1.00.
Where reasoning breaks down.
Revenue, profit, cash flow and EPS are not interchangeable. A business can grow sales while margins, cash generation or per-share economics deteriorate.
Can you explain the idea?
Try recalling it in your own words, then compare your reasoning with the lesson explanation.
Try the recall practice →Put the concept into practice
Open an income statement and EPS note. Identify revenue, operating income, net income and diluted weighted-average shares; reconcile the units before calculating.
Go one level deeper
Per-share improvement may have several causes
Basic EPS generally uses earnings available to common shareholders and weighted-average common shares. Diluted EPS considers potentially dilutive instruments under the accounting rules; antidilutive instruments are excluded. Revenue recognition is not identical to cash collection. Non-GAAP adjustments and free-cash-flow definitions require reconciliation rather than treating every issuer's headline measure as comparable.
Profit available to common shareholders stays at $12 million while weighted-average shares fall from 10 million to 8 million. What happens to basic EPS?
EPS rises from $1.20 to $1.50, or 25%, despite no increase in total profit. The cost and financing of the repurchase still matter.
MAKE THE IDEA YOURS
Explain it. Try it. Come back to it.
Connect the top line, bottom line and per-share earnings without confusing them.
TRY TO RECALL BEFORE YOU REVEAL
Can EPS rise even if total profit is flat?
Try a foundation question
Apply it to a second question
Profit available to common shareholders stays at $12 million while weighted-average shares fall from 10 million to 8 million. What happens to basic EPS?
Compare your reasoning
EPS rises from $1.20 to $1.50, or 25%, despite no increase in total profit. The cost and financing of the repurchase still matter.
Record only what you have actually worked through. These actions do not complete a foundation stage or certify investing ability.
Practice records stay in this browser. No account or cross-device sync. Reading-list and foundation-journey progress stay separate.
What remains unclear? Give feedback about this lesson
Use this as a foundation, then verify current rules and product details with primary sources and regulated providers before acting.
Primary sources and further reading
Verify the current details.
Editorial review: 2026-10-13. The examples are hypothetical unless a named historical case is stated. Rules and product details can change; use the relevant source and actual instrument terms.
Connect the concept
Go from explanation to application.
Continue with a genuinely related definition and educational calculator.
Go deeper in My Market Book
Connect financial statements & business quality with the broader business, pricing and risk framework.
Explore the visual book