NEW YORK, May 15 : The dollar strengthened for a fifth straight day on Friday and was set for its largest weekly percentage rise in two months, as market expectations for the Federal Reserve's monetary policy path tilt further toward possible rate hikes. The dollar's advance comes as U.S. Treasury yields continue to ascend, with the benchmark 10-year Treasury note reaching 4.599 per cent, its highest in a year. A raft of economic data earlier this week pointed to rising price pressures as