By the Numbers

Stocks on the Move Now: Abercrombie & Fitch Tanks

By The Numbers | Stocks on the Move Now

Shares of Abercrombie & Fitch tumbled Thursday, after the teen retailer forecast a fourth-quarter outlook below analysts' expectations, sending its stock to the lowest level since October 2010.

To the upside, Zynga stock soared, setting a record high, following news of Facebook's highly anticipated IPO — a large portion of Zynga's revenue derives from users playing games on Facebook.

Here is a look at some of the companies showing unusual moves in Thursday's trading session .