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Use "steepening" in a sentence
"The trade is known as steepening yield-curve trade."
"As the yield on the 10-year note rose more than that on the two-year note, the yield spread widened in what is technically termed the steepening of the benchmark yield curve."
"As short-dated Treasurys outperformed their longer-dated peers, the yield spread between the two sections widened again (known as a steepening of the yield curve), breaking the flattening trade since Friday."