TSX clocks sixth day of gains on U.S. data, Potash results TORONTO (Reuters) - Canada's main stock index advanced for a sixth straight session on Thursday, helped by resources sectors as U.S. economic data and a stronger-than-expected earnings performance from fertilizer producer Potash Corp buoyed sentiment. Investors were encouraged by data showing the number of Americans filing new claims for unemployment benefits fell last week, offering reassurance that the bottom is not falling out of the U.S. labor market. ...

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