你能讀英語吧，看看SVB怎麽虧的

At the end of 2022, SVB held $117 billion of securities, which accounted for the bulk of its $211 billion in assets. These bonds were showing big losses at the end of 2022, with some $91 billion of the bond portfolio, classified as “held-to-maturity” securities for accounting purposes, worth just $76 billion.