The dollar rose to a 10-week high against a basket of currencies on Monday as concerns about global market growth spread.
Global stocks saw selling in October, weighed down by concerns about corporate profits and a state of geopolitical uncertainty.
That pushed the greenback higher, and the greenback usually performs better in risk aversion, but the dollar has risen only moderately.
The dollar index was up 0.2 percent at 96.517 after rising 0.7 percent last week, hitting a 10-month high.
Mutual tariffs imposed by the United States and China have also pushed the dollar higher. The market assumes that while the US economy will be adversely affected by the decline in trade, the damage it will inflict will be less than that of US trading partners.
After data showing China's profit growth slowed for a fifth consecutive month in September, the yuan fell in foreign markets, but remained above the low of 6.977 yuan on Friday, the weakest level since January last year.
The Japanese currency, a safe-haven asset, benefited from the global sale of high-risk assets. The yen rose 0.6 percent last week and was trading little changed at 111.96 yen against the dollar.
The euro was hovering around $ 1.1389, its lowest level in more than two months.
The British pound was at its lowest level in nearly two months at $ 1.2775, ahead of Britain's annual budget announcement today.
