U.S. Treasury yields moved lower to start the week as investors monitored oil prices amid the U.S.-Iran war and looked ahead to the Federal Reserve's interest rate decision this week. The benchmark 10-year Treasury yield was more than 5 basis points lower at 4.234%, while the 30-year Treasury bond shed more than 3 basis points to yield 4.875%. The 2-year Treasury note yield was down more than 5 basis points, reaching 3.675%. One basis point is equal to 0.01%, and yields and prices move in