Apple Inc. is planning a 4-for-1 stock split and it has important implications for the Dow Jones Industrial Average, of which it is a key component. The iPhone maker late last month announced that ...

Editor’s note: This story has been corrected to remove an incorrect statement about Chipotle Mexican Grill’s market cap and to make the language regarding Chipotle’s market cap clearer.

For instance: Apple’s 4-for-1 split in 2020: After announcing the split in July, Apple’s stock surged nearly 30% by the split date in August. Buying early allowed investors to benefit from ...