The dollar's getting stronger — and that could be bad news

Reuters/Brendan McDermid

• The dollar has been rallying against other major currencies over the past week. 
• But some think it could be strengthening for negative reasons.
• Follow the dollar in real time here. 

Whether a strong dollar is a good or bad thing remains highly debated among economists. But there is generally one consensus among them — it's important to look at why the dollar is moving.

The greenback has jumped more than 1.5% against the yen and euro since last Monday.