Four biggest American banks nearly doubled amount set aside to cover soured corporate loans

Big banks expect the coronavirus recession to cut a wide swath through corporate America.
When they reported second-quarter earnings this past week, big U.S. lenders said they dont expect the U.S. economy to pull out of its slump soon. A protracted downturn, bank executives said, bodes poorly for all manner of American businesses, even those not directly affected by the travel bans and social-distancing measures put in place to curb the virus.