The basic business of banking in the age of Covid-19 isn’t proving to be easy. But for some, there could be light at the end of the tunnel.

Banks’ core lending profit margin, measuring their cost to borrow versus what they earn in interest, took a beating across the board in the second quarter. That margin dropped an average of 0.34 percentage points at Bank of America, Citigroup, JPMorgan Chase and Wells Fargo from the first quarter.