TORONTO - Two of Canada's largest banks increased their fixed-rate mortgage rates amid rising yields on the bond market and a strengthening economy. The Royal Bank of Canada says its posted five-year fixed mortgage rate moved to 5.14 per cent Thursday, up from 4.99 per cent. The bank's special offer rate for a five-year fixed mortgage with a 25-year amortization moved to 3.54 per cent from 3.39 per cent. RBC (TSX:RY) says the changes reflect the ...