The worsening economy brought on by the coronavirus pandemic has big banks rethinking who they will lend to.

Bank of America said it has agreed to allow 50,000 mortgage customers to defer payments for three months because they've lost income as a result of the pandemic.

CEO Brian Moynihan also said in an interview that the bank is helping clients affected by the coronavirus pandemic through increased commercial lending to companies and expanded forbearance for Main Street customers.

JPMorgan Chase, Wells Fargo, Citigroup and U.S. Bancorp, along with 200 state-chartered banks and credit unions, have agreed to let borrowers skip payments for 90 days if their finances have been upended by the pandemic.

The Fed announced several new lending facilities and virtually “unlimited” purchases of Treasury bonds; Ana Botín will donate the money to a coronavirus fund.

The pandemic has upended staffing plans, sparked concerns about servicers’ capacity to handle the expected crush of missed payments, and even raised questions about their ability to stay afloat.

The banks — including JPMorgan Chase, Bank of America, Wells Fargo and Citigroup — agreed to stop buying back their own shares through the second quarter, saying they will focus on supporting clients and the nation during the coronavirus pandemic.

The biggest U.S. banks are once again preparing to show how they'll be able to withstand a severe economic shock in a hypothetical doomsday scenario, and they're eager to get on with it as a real one unfolds.

Investment bankers have are trying to drum up interest from investment firms and hedge funds to provide tens of billions of dollars in financing to companies in industries upended by the coronavirus.

An investment firm that has been pressuring large companies to enhance disclosures said that its efforts at JPMorgan Chase, Wells Fargo, Bank of America and Bank of New York Mellon are gaining ground.