On the other hand, renewed concerns over a shaky recovery in global energy demand weighed on crude oil prices and the barrel of West Texas Intermediate (WTI) closed the first straight trading day in the negative territory on Tuesday. Ahead of the EIA's weekly Crude Oil Stocks Change data, the WTI is up 1% on the day at $67.20, helping the commodity-related loonie show some resilience against its rivals. Later in the session, the July Consumer Price Index (CPI) data from Canada will be looked upon for fresh impetus. Later in the day, the FOMC will release the minutes of its July meeting.