Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
Nexen Inc., up $3.27 at $26.79
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.
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.