Further weighing on sentiment were corporate earnings in the United States, after tech giant Microsoft MSFT.Owarned that growth in its cloud business could stall. The BoC is expected to raise interest rates to a 15-year high in the face of a tight job market and above-target inflation, but economists say the move could be the last in the current tightening cycle. The BoC was one of the first major developed world central banks to start hiking its overnight lending rate last year, raising at an unprecedented pace of 400 basis points in nine months.