The stock (RIMM) ended the regular session at $14.12 on high expectation of a better quarter. It is currently trading at $12:53, down 11% from the close.
The company that makes Blackberry mobile devices beat both top line and bottom line (i.e. it lost less than expected), but when the investors read the fine print, they'd rather be out.
Articles like this one ("RIM Rally Ain’t Over: Shares Jump After Earnings") by Wall Street Journal were written prematurely, obviously.