The latest sharp selloff in U.S. Treasuries may be far from over. A combination of stubborn inflation, shifting expectations about interest rates, and changes in investor behavior could keep pressure on bond prices and drive yields even higher in the weeks ahead, analysts said. For months, many investors have viewed the 4.5% yield on the benchmark 10-year note as an attractive point to step in and buy bonds. But as yields surged through that level, market participants adjusted their view of where buyers would next bite. [...]