Canadians are used to hearing their country ranks among the world's best places to live, but new research suggests that quality of life can depend a lot on where you live.

NEW YORK, N.Y. - Disco queen Donna Summer, whose pulsing anthems such as "Last Dance," ''Love to Love You Baby" and "Bad Girls" became the soundtrack for a glittery age of sex, drugs, dance and flashy clothes, has died. She was 63.

OTTAWA - Canada heads into a pair of twin international summits this weekend committed to staying the current course in Afghanistan — but staying mum on next steps.

TORONTO - Some of the most active companies traded Thursday on the Toronto Stock Exchange and the TSX Venture Exchange:

CALGARY - The search for a new boss at Canadian Pacific Railway Ltd. is underway after an activist hedge fund succeeded in its months-long battle to oust CEO Fred Green, a 34-year veteran of the railroad.

TORONTO - After several years of trying to gain a bigger stake of Sears Canada, its U.S. majority owner said Thursday it plans to cut its interest in the troubled department store chain as it deals with its own dwindling sales.

TORONTO - The governing Liberals are trying to sweep the Ornge scandal under the rug by blocking a legislative committee from continuing its probe of the province's troubled air ambulance service, the opposition charged Thursday.

Natural gas is no longer at decade lows, but the price remains sensitive to reports of any significant increase in supply.

TORONTO - The Toronto stock market closed little changed Thursday as energy and gold stocks advanced after worries about the future of the eurozone pushed commodity prices to multi-month lows this week.

TORONTO - The Canadian dollar closed lower at fresh four-month lows Thursday amid continuing anxiety over the future of the eurozone.