I’ve been reading a book called How Not to Be Wrong: The Power of Mathematical Thinking by Jordan Ellenberg
The author recounts a classic stock advisor scam that goes like this …
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One day, you receive an unsolicited newsletter from an investment advisor, containing a tip that a certain stock is due for a big rise.
A week passes, and just as the Investment advisor predicted, the stock goes up.
The next week, you get a new edition of the newsletter, and this time, the tip is about a stock whose price the adviser thinks is going to fall.
And indeed, the stock craters.
That’s good, but it gets even better …
The Homa Files 