By Promit Mukherjee OTTAWA (Reuters) -The Bank of Canada is expected to cut interest rates by 25 basis points on Wednesday, spurred by weak job reports and economic contraction in the second quarter. It would be the first rate cut in nine months and many economists expect another 25 basis point cut either in October or December. The BoC was one of the most aggressive major central banks globally to reduce rates when it started its easing cycle in June last year. It brought interest rates to 2.75% in Mar ...