In the spirit of better investing and in celebration of the first annual Worldwide Invest Better Day coming up on Sept. 25, Motley Fool analysts will be answering user- and reader-submitted questions leading up to the big event. "Ask a Fool" anything, and we'll do our best to help you invest better.

In the following video, analyst Isaac Pino explains what it means when a company announces a "stock split," as well as the implications for investors when their shares are split. He also discusses why some companies choose to never announce stock splits, one example being Berkshire Hathaway, whose "A" stock currently trades at upwards of $100,000 a share as a result.

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