The KBW Regional Banking Index slipped 4.8% after seeing its biggest single-day decline since the collapse of Signature Bank in March last year. NYCB shares lost another 13.4% of their value and were last trading at $5.60. The frenzied selling in banking shares has rekindled fears about regional lenders, even as many analysts and investors said the problems at NYCB were mostly unique. Western Alliance Bancorp's shares fell nearly 11%, while those of Valley National Bancorp dropped 8.8%. Comerica's shares fell 5.8%.

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Persons: NYCB, Martin Rauchenwald, Arthur D, Steven Alexopoulos, Alexopoulos, Moody's, Western Alliance Bancorp's Organizations: New York Community Bank, U.S, New York Community Bancorp, Signature Bank, Flagstar Bank, Jefferies, Western Alliance, National Bancorp Locations: Yonkers , New York, U.S, NYCB