The Dow Jones Industrial Average fell on Tuesday for a ninth straight day, tallying its longest losing streak since 1978. Coming on the heels of a torrid postelection rally, this sudden shift ...

But uncertainty around Trump's tariff policy continues to grip Wall Street, and his trade war has only intensified this week.

Is the current Dow downward trend something to take a closer look at? WSJ MarketBeat's Steven Russolillo stops by Mean Street to discuss. Photo: Reuters.