Investing.com - The Australian dollar rose against its US counterpart on Monday, while the New Zealand dollar lesser extent slid markets were jittery ahead of the policy meeting of the Federal Reserve this week amid uncertainty about the timing of future rate hikes in the United States. The AUD / USD rose 0.18% to 0.7388. Optimism about the strength of the US economy I was boosted after the US Labor Department He said Thursday that the number of individuals who filed for unemployment insurance in the week ended June 4 fell unexpectedly to 264,000. On Friday, the University of Michigan said its index of consumer confidence fell to 94.3 in June from 94.7 in the previous month, compared to expectations for a decline to 94.0. But markets seem to have pushed back expectations on the timing of the next rate hike by the US central bank after a US jobs report gloomy for May, which showed that the rate of slower job growth since September 2010. In addition, a speech from Federal Reserve President Janet Yellen said on Monday that interest rates will not rise until the uncertainty about the economic outlook is resolved. NZD / USD fell 0.16% to trade at 0.7043. The US dollar index, which measures the strength of the greenback against a trade-weighted basket of six major currencies, was steady at a maximum of a week of 94.64.