Derek: Recorded Delivery i need someone to write my homework The short bet, made public in a widely covered presentation on December 20, 2012, drove the share price down 18 percent, to $34.24. But since then, it's been a bumpy ride for the manager and his investors, with Herbalife soaring 35 percent in the last month alone, to $61.08. That is well above the $50 a share where Ackman began shorting the stock last year.