Consumer Price Index data from the Labor Department showed that prices continued their ascent in September, as troubles such as supply chain snarls fueled rapid inflation.
The Democratic senator responded to news that the Fed’s vice chair shifted toward stocks shortly before a policy announcement last year.
Inflation, once expected to fade quickly, is proving more stubborn. That ramps up tension among officials as they wait for pressures to fade.
Other Democrats fretted about diversity at the Federal Reserve as Chair Jerome H. Powell testified ahead of an imminent personnel shake-up.
Robert S. Kaplan will exit his role as head of the Federal Reserve Bank of Dallas next month. Eric S. Rosengren, the head of the Federal Reserve Bank of Boston, is also retiring earlier than planned.
The Federal Reserve is embroiled in an unusual drama: Some officials traded stocks and other financial products last year, prompting calls for an investigation.