Performance

Citadel rides Taser stunner

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Few small-cap stocks saw such pricing panache last year as Arizona-based Taser International, the mass-market stun-gun maker that saw its stock gain a sizzling 300% over 12 months, hitting a high of $33.50 per share before the end of 2004. And with results like that, it's no surprise that the then $2 billion company became something of a darling for hedge funds looking to ride a top-performing homeland security stock.

Among those who welcomed Taser's rise were big hedge fund holders like Sprott, Blumont and perhaps most notably Ken Griffin's Citadel Investments, based on