Grocery and pharmacy chain Metro Inc. holds its annual meeting and releases its first-quarter results on Tuesday. Canadian National Railway will release fourth-quarter results on Tuesday. Major Canadian stock exchanges will assign the coveted POT stock symbol on Wednesday by random lottery. The symbol became available after fertilizer Potash Corp officially merged with Agrium Inc. CMHC issues its Housing Market Assessment report on Thursday. The report serves as an "early warning system" for the country's housing market. Bank of Canada senior deputy governor Carolyn Wilkins will speak before the Toronto Region Board of Trade on Thursday.