Although artificial intelligence (AI) has been dominating headlines for more than a year, companies enacting stock splits have quietly and quickly become another hot trend on Wall Street that investors can't get enough of.

A stock split is an action a publicly traded company can take that allows it to cosmetically alter its share price and outstanding share count by the same factor. It's superficial in the sense that adjusting a company's share price and share count by the same magnitude has no effect on its market cap or operating performance.

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Source Fool.com