Commodity prices mostly weakened this week, hit by a stronger US dollar and falling demand for raw materials amid persistent concerns about the state of the troubled global economy, analysts said.

Fundamentals are strong and the U.S. dollar has helped the Dow Jones Industrial Average and the S&P 500 hit new highs Friday, the CNBC "Fast Money" pros said, but can the stock rally last?

The basic gist is: It's about weakening yen, strengthening data, increasing US yields relative to the rest of the world (which makes the dollar inherently more valuable), weakening euro, and more hawkish tones from Fed folks. Here's the commentary from ...

CANBERRA, May 18 (Xinhua) -- The Australian dollar fell below parity with the U.S. dollar and stayed down during the whole week, which is widely attributed to positive indicators in the U.S.

The US dollar on Friday made a notable rebound against major currencies after data showed US consumer confidence improved. US consumer sentiment index in May stood at 83.7, well above the market consensus of 78.0, according to a joint survey ...

Strong Dollar Trade Chart 1: The price of Gold began its parabolic ascent as in the summer of 2007 moving from approximately $665 to over $1000/oz.

Many travelers are familiar with currency exchange rates and how that translates from dollar to yen, euro, or peso. But there's another metric that puts the relative strength of the dollar in perspective: purchasing-power parity. In the following video ...

PRIME Minister Morgan Tsvangirai's MDC-T party has said it would maintain the current US dollar-dominated currency regime during its first five years in power if it forms the country's next government.

Harare has been using a basket of foreign currencies, since the formation of a coalition government, with the US Dollar and South African Rand being dominant.

The explosive strength of the US Dollar appears to be at a near-term breathing point, with the 5-day rate of change in the Dow Jones FXCM Dollar Index (Ticker: USDOLLAR) slowing the past few days from +2.18% on Wednesday to +1.17% today.