Costco stock is nearing $1,000 per share, fueling speculation of a stock split. Here's what a split would mean and whether Costco still looks attractive.

Here is a look at why companies split their stocks and why it matters. Upcoming splits worth keeping an eye on include one by Southern Copper.

The two hottest trends on Wall Street have been the rise of artificial intelligence (AI) and investor euphoria surrounding stock splits in influential businesses. Though the faces of the AI revolution ...