June 27 (Reuters) - Big U.S. banks had enough capital to weather a potentially severe economic downturn but some of their risky businesses could hypothetically take a major hit this year, according to results of the Federal Reserve's annual stress test.
The 31 banks that participated showed they could withstand, opens new tab a spike in joblessness and stresses in the commercial real estate market and still have enough capital available to lend.
Their common equity tier 1 (CET1) ratio, a metric that gauges high-quality capital, will dip to 9.9% at its lowest, still far ahead of the 4.5% minimum requirement.
The Fed also projected losses on loans could reach up to $571 billion under its severely adverse scenario. Credit card loans could be tricky, the central bank said.
The corporate credit portfolios of banks have also shifted towards riskier loans. They now hold a larger share of non-investment grade corporate credit, which are over three times more likely to default than investment grade ones, the Fed said.
Reporting by Niket Nishant in Bengaluru; Editing by Devika Syamnath
