The approval of Canada's first LNG export terminal is expected to boost investor confidence in Canada's natural gas sector, industry observers say.

Shares in AltaGas Ltd. fell Wednesday after it announced president and CEO David Harris had resigned suddenly following an unspecified complaint.

The cold snap that continues to blanket many parts of North America is driving short-term natural gas prices higher but the trend is unlikely to significantly affect either Canadian consumer bills or producer profits, experts say.