Regional banks and Jefferies shares tank as concerns grow on Wall Street about sour loans
1. Jefferies faces significant losses tied to First Brands bankruptcy. 2. Stock dropped over 7% this week, nearing a 23% drop for October. 3. Concerns arise over private credit market and bad loans in banking. 4. JPMorgan warns of potential systemic issues in banking sector. 5. Overall market stabilizes despite banking sector pressure.