The U.S. Regional Bank Sector is under scrutiny amid concerns of a potential crisis, notably highlighted by New York Community Bancorp's (NYCB) recent challenges. NYCB's stock hit a 27-year low following revelations of undisclosed credit loss provisions, leading to shareholder lawsuits. With regional banks collectively holding $2.7 trillion in commercial real estate (CRE) loans, the heightened risk is evident, particularly with NYCB's significant losses.