source:[1] Yield Curve Flattened Last Week, While U.S. Equity Indices Became Very Overbought | Seeking Alpha (https://seekingalpha.com/article/4822890-yiel ...)[2] Weekly fixed income commentary | 09/15/2025 - Nuveen (https://vertexaisearch.cloud.google.com/groun ...)[3] Calm markets, latent risks - CaixaBank Research (https://vertexaisearch.cloud.google.com/groun ...)