Tariff uncertainty and Tesla headlines accompany matching 0.42% declines

QQQ opened 0.50% lower and finished down 0.42%, while SPY opened 0.29% lower and also closed down 0.42%. A White House official said tariff increases should not have a lasting inflation effect, while Fed official Alberto Musalem said tariffs would likely weigh on growth and jobs. Retail investors reportedly put a record $122 billion into equity ETFs as institutions sold. Tesla's talks to license its Full Self-Driving technology and reports that Israel could strike Iranian nuclear facilities were additional developments during and after the session.