Nasdaq, Dow, S&P 500 drop as renewed tariff uncertainty weighs (DJI:Dow Jones Indices)

Wall Street slumped on Tuesday to kick off the historically toughest month, as fresh uncertainty regarding tariffs hit investor sentiments.

S&P 500 (SP500) -0.8%, the Dow (DJI) -0.7%, and the Nasdaq Composite (COMP:IND) -0.9%.

The 10-year Treasury yield (US10Y