US regional bank stocks fall amid Wall Street concern over credit markets

Core Insights - US regional banking stocks experienced a significant decline due to concerns over bad and fraudulent loans disclosed by Zions Bancorp and Western Alliance [1][2] - The regional banking industry is under scrutiny following the bankruptcy of First Brands, which raised alarms about potential risky lending practices [2][4] Banking Sector Performance - Zions Bancorp's stock fell over 11%, while Western Alliance's shares dropped over 10% [2] - Jefferies Financial Group's shares decreased by 9% on the same day, contributing to a broader market decline with the S&P 500 down 0.7% and the Dow Jones down 0.6% [2] Bankruptcy Case of First Brands - First Brands filed for chapter 11 bankruptcy, reporting liabilities between $10 billion to $50 billion against assets of $1 billion to $10 billion, indicating risky off-balance-sheet financing [3] - Creditors of First Brands claimed that $2.3 billion of the company's assets had "simply vanished" [3] Investigations and Scrutiny - The Justice Department is investigating the bankruptcy of First Brands, raising concerns about questionable lending practices among regional banks [4] - Jefferies and UBS reported significant exposure to First Brands, with Jefferies' shares falling 25% over the past month [4] Shadow Banking Concerns - Experts highlighted that the bankruptcy of First Brands reveals vulnerabilities in the shadow banking system, where borrowers seek financing outside traditional banks [5] - JP Morgan's CEO expressed concerns about the implications of such events, suggesting that they may indicate broader issues within the banking system [6]