Why Buybacks Change Earnings Per Share Without Lifting Sales
Share repurchases can alter the denominator of earnings per share even when a business's total profit stays unchanged.
Public companies may repurchase shares, reducing the average diluted share count used to calculate earnings per share. If net income were unchanged but the eligible share count fell, reported earnings per share could improve. That arithmetic is different from an increase in revenue, operating cash flow or customer demand.
Buybacks can return capital, but they also compete with debt reduction, research, investment and dividends. Financing repurchases with new borrowing may change future interest expense. Investors should also examine whether equity compensation offsets the reduction in shares outstanding.
A sound review separates net income growth from per-share growth and tracks free cash flow, share dilution and the price paid for repurchases. Read actual annual and quarterly filings for the relevant periods; an aggregate buyback announcement is not proof that every transaction created shareholder value.
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