NYCB faces increased borrowing costs due to a Moody's downgrade, jeopardizing contractual relationships and triggering stock declines. The bank's loan setbacks and quarterly loss may result in competition for deposits, potentially leading to higher retention costs. NYCB could consider raising brokered deposits or issuing debt, but it may come at a premium. Analysts speculate about possible deposit flight amid the uncertainty surrounding the bank's ratings and deposits.