Canadian regulators approve the $15.1 billion takeover bid for Canadian oil and gas company by China’s state-owned CNOOC.

Intermec Inc., up $1.84 at $9.82

Honeywell is buying the maker of barcode printers and radio frequency identification products for about $603.4 million.

American International Group Inc., down 77 cents at $33.36

A UBS analyst slashes his 2012 earnings estimate for the insurer because it is taking $1.3 billion in losses related to Superstorm Sandy.

GrafTech International Ltd., down 79 cents at $8.84

A Jefferies analyst downgraded the industrial company, saying he sees evidence that demand for some important products has weakened.

Nasdaq

Priceline.com, down $33.14 at $625.96

A Deutsche Bank analyst downgrades the travel website, citing increasing competition, particularly for customers booking on mobile devices.

Zogenix Inc., down $1.20 at $1.16

Government health experts overwhelmingly vote against a stronger version of hydrocodone, Zohydro, which was developed by Zogenix.

Diamond Foods Inc., down $1.50 at $13.31

The snack maker posts a loss in its most recent quarter on costs tied to an accounting probe and a plant closing.

Geron Corp., up 16 cents at $1.22

The drug developer reports positive results from an early clinical trial for its treatment for a blood platelet disorder.