The phrase "dollar rally" means that the value of the US dollar is increasing compared to other currencies. It's like the US dollar is winning a race against other currencies and becoming stronger.
Sentences with «dollar rally»
Bottom line: We see potential for currency volatility ahead, but little risk of a sharp and disruptive dollar rally. (blackrockblog.com)
The U.S. dollar rallied as well to nearly parity with our Loonie. (archeretf.com)
Indeed, currency hedging was all the rage a few years back after the U.S. dollar rallied over 20 % versus a basket of currencies (source: Bloomberg data, from 3/1/2014 -11 / 30/2015), but it fell out of favor this year — until now. (blackrockblog.com)