Are the too big to fail banks vulnerable As the banks stock lost a staggering 44% of its value, the floating-rate notes fell to 87 cents on the dollar. Regional banks have a larger exposure to commercial real estate, which has left them vulnerable in the current office-space downturn. https://www.marketwatch.com/story/new-york-community-bancorps-sole-traded-bond-fell-off-a-cliff-this-week-dragging-others-down-with-it-4298cc77?mod=home-page