Dollar Tumbles On Report Trump Studying Ways To "Penalize Currency Manipulators":
The yen, euro and yuan snapped higher, following a CNBC report according to which the Trump administration is studying ways to penalize countries whose currencies it believes are undervalued. Ref. Source 1u.
Worthless? The dollar is only worth the confidence people have in it. There isn't anything backing it up like in the silver and gold days. So the dollar is very much like a commodity itself, maybe the ultimate commodity, the one all other commodities are traded in.