™A 2-for-1 split turns ten $100 shares into twenty $50 shares mechanically, preserving $1,000 initial value before other market changes.
Stocks
Stock split
An increase in shares outstanding with a proportional reduction in price per share, leaving total equity value unchanged by the split itself.
Plain-English context
Put the definition to work.
The split changes units, not value by itself; dividends, new information and market reactions are separate effects.
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