US regulators are considering retaining securities owned by Signature Bank and Silicon Valley Bank that sank in value as interest rates rose, eliminating one obstacle to a potential sale of the two lenders. The arrangement — typical when the Federal Deposit Insurance Corp. seizes a bank — could help pave the way for takeovers made more difficult by the declining value of the assets, according to people familiar with the matter who asked not to be identified discussing confidential talks. The amount covered at Signature could range from $20 billion to $50 billion, while for Silicon Valley Bank it could be between $60 ... (full story)