The longs have already done very well - absurdly well. Only in very exceptional circumstances can the value of a company quadruple or more in a matter of a week.
It's up 1500% in three months. Either the stock price will come down a lot or this company is one in a million. Is this really another Facebook, or just another one-day-wonder?
How many shares are the insiders selling? That's usually the key indicator.
How many shares did Zuckerberg sell on the way up?
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