The US Treasury yield curve steepened in Asian trade, with long-end yields near multidecade highs while short-end yields fell as October rate hike expectations retreated to 24%. The 10-year yield rose to 5.314% and the 30-year to 5.672%. A $58 billion three-year note auction is scheduled for Tuesday. French bonds remain under pressure, and the euro weakened toward $1.10.

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