Research In Motion Limited (USA) (NASDAQ:RIMM) is the biggest loser and slumped as much as 18.25% to $24.11 on hefty volume following the company reported weak earnings late Thursday. The company said that it earned $329 million, or 63 cents a share on revenue of $4.17 billion in its fiscal second quarter, fell well short of analysts’ estimates of 87 cents a share on revenue of $4.47 billion.
Also, the company said it shipped about 10.6 million smartphones and about 200,000 PlayBooks during the quarter, while analysts had been expecting shipments of 11.8 million smartphones and 562,000 tablets.
Cooper Industries plc (NYSE:CBE) slid 1% to $47.73 after the company said it expects to earn 94-98 cents a share in its third-quarter, while revenue is forecasted to grow 9% to 12% and said it anticipates 2011 earnings from continuing operations in a range of $3.75 to $3.82 a share.
AMERIGROUP Corporation (NYSE:AGP) fell 2.83% to $43.12 after the company said company revised the projected range for its 2011 health benefits ratio to 83.9% to 84.9%, up from 83.1% to 84.1% previously. Amerigroup cited paid claims data through Aug. 31.
Texas Instruments Incorporated (NYSE:TXN) added 0.51% to $27.85 after the company announced dividend of 17 cents a share, representing an increase of 31% from its previous dividend of 13 cents. The new dividend will be payable Nov. 21 to shareholders of record as of Oct. 31, the company said.









