Credit Suisse and Moody's Negative Outlook on US Banking
Credit Suisse Bank recently drew attention due to falling shares, driven by a statement from its largest shareholder. Additionally, Moody's Investors Service downgraded the US banking system's outlook from stable to negative, primarily due to the collapse of Silicon Valley Bank, one of the biggest banking failures since the 2008 financial crisis.
First Republic Bank Rating Plunges to Junk
S&P has now downgraded First Republic Bank's rating to "junk" status. Analysts Nicholas Wetzel and Rian Pressman explained that the bank's business position is negatively affected by volatile stock prices and increased media attention on deposit volatility, resulting in weaker business stability and declining creditworthiness perceptions.

First Republic Bank Stock Drops 8.15%
At the time of writing, First Republic Bank's stock price had fallen 8.15%, reaching $36.4. S&P's downgrade resulted from outflow risk concerns, despite increased borrowing availability.
BREAKING: S&P has downgraded First Republic Bank's $FRC rating to "junk" status.
— Paryte (@Parytecom) March 15, 2023
Junk Bond Classification and S&P's Actions
The top three rating companies, Standard & Poor's (S&P), Fitch, and Moody's, evaluate bond creditworthiness. Bonds with poor credit ratings are junk or non-investment grade bonds. S&P lowered First Republic Bank's rating from A- to BB+, citing rising outflow risk, following US regulators' pledge to support the banking sector.