Matt Levine, Columnist

Be Careful Tweeting About Stocks

Also XTB CFDs, credit-card customer service and pharmaceutical code names.

October 23, 2024 at 6:57 PM UTC

Matt Levine is a Bloomberg Opinion columnist. A former investment banker at Goldman Sachs, he was a mergers and acquisitions lawyer at Wachtell, Lipton, Rosen & Katz; a clerk for the U.S. Court of Appeals for the 3rd Circuit; and an editor of Dealbreaker.

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Is this bad? I mean, I am trying to write in a way that isn’t very bad. You bought and sold based on public information. Were you a little sloppy, buying after the first paragraph and selling by the time you hit the third? Well, maybe, but that’s not unreasonable. Sometimes investment opportunities are short-lived, and it might make sense to establish a position on a hunch before you have done extensive due diligence. Here’s George Soros: