In his annual letter to shareholders, Jamie Dimon, the chief executive of JPMorgan Chase, wrote that a trade fight could dampen consumer and investor confidence and increase inflation. Banking and Financial Institutions, International Trade and World Market, United States Politics and Government, Customs (Tariff), United States Economy, JPMorgan Chase & Company, Dimon, James In his annual letter to shareholders, Jamie Dimon, the chief executive of JPMorgan Chase, wrote that a trade fight could dampen consumer and investor confidence and increase inflation. NYT > Business