Aastra Technologies, EnCana May Move: Canadian Equity Preview for July 21

Shares of the following companiesmay have unusual moves in Canadian trading.

Aastra Technologies Ltd. (AAH CT): The maker oftelecommunications equipment reported second-quarter earnings of37 cents a share, missing the average of five analyst estimatesby 23 percent.

EnCana Corp. (ECA CT): Canada’s largest natural gasproducer is scheduled to release second-quarter results beforethe market opens. The average profit estimate among 14 analystsin a Bloomberg survey is 22 cents per share, excluding certainitems.