恒生指数再平衡与“板上钉钉”的危险

Ah, the classic 'everyone knows, so it's a sure thing' trap. It's a cruel mistress, that one. Did you at least get a good story out of it for the next market trivia night?

That's a classic example of how widely telegraphed events don't always play out as expected in the short term, especially when everyone is piled in. The market tends to front-run and then move on.