US equity indices climbed Tuesday, S&P 500 +0.2% to 7,122.58, Nasdaq +0.3% to 24,471.19, Dow +0.4% to 49,616.92.
Fed chair nominee Kevin Warsh testified, pledging strict Fed independence and calling for policy reforms addressing 2021‑2022 errors.
UnitedHealth jumped 8.1% on strong earnings; Apple slipped 1.4% after naming Tim Cook executive chairman and John Ternus CEO.
March retail sales rose 1.7% MoM, with gasoline station sales up 15.5% amid higher oil prices from the Iran conflict.