Fitch Ratings downgraded holding company-level senior unsecured debt ratings for PNC Financial $PNC US Bancorp $USB Capital One Financial $COF Trust Financial $TFC &amp; Northern Trust $NTRS where debt buffers were clearly below 10% RWA $SPX #XLF Update https://t.co/SWWcFcaC6Q https://t.co/stKzkroVDG