Unharmed by bank turmoil. : Some of the largest financial institutions posted positive earnings despite bank turmoil during the first quarter of 2023, according to their earning reports published on Friday. JPMorgan Chase, Citigroup, Wells Fargo, and PNC all released earnings reports on Friday, showing they have done well so far this year despite the failures of Silicon Valley Bank (SVB) and Signature Bank in March, with each bank beating estimates by between about 9% and almost 21% in the case of JPMorgan.