A latent issue?

https://www.msn.com/en-us/money/news/more-than-700-banks-face-significant-safety-and-soundness-risk-due-to-unrealized-losses-says-federal-reserve-report/ar-AA1baRqJ?ocid=msedgdhp&pc=U531&cvid=bcb13ae3f74c4e26955d65110dbdcaa4&ei=16