CANADA FX DEBT-C$ dips on tame inflation; speculators' bets swing bearish

(Adds analyst quotes and details on CFTC data and updates prices) * Canadian dollar ends at C$1.3380, or 74.74 U.S. cents * Bond prices higher across flatter yield curve * 10-year yield touches a three-week low at 1.621 percent By Fergal Smith TORONTO, March 24 (Reuters) - The Canadian dollar weakened on Friday against its U.S. counterpart as tame domestic inflation dampened pressure on the Bank of Canada to turn more hawkish, while CFTC data showed a sharp swing by specula