Wall Street Splits a Stock, Twitter Loses Its Mind Over Basic Arithmetic

Let’s get one thing straight: a stock split is not a market catalyst. It’s a math trick performed with a spreadsheet and a press release. The company’s valuation, cash flows, and future earnings don’t change by a single basis point. If you own one $400 share and it becomes two $200 shares, congratulations—you’ve successfully divided by two. My nephew can do that, and he still thinks the tooth fairy is a viable income stream.

Yet investors treat split announcements like earnings surprises. Several high-profile splits have been announced this year, and the market’s response has been the usual Pavlovian rally. Why? Because retail traders can now afford a “whole share” instead of buying fractional units, which—apparently—is some psychological milestone worth bidding up. Never mind that every major broker has offered fractional shares for years. The people buying the rumor couldn’t be bothered to check.

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