FXstreet.com (Barcelona) - U.S. markets have opened with gains on Tuesday, with commodity prices higher and the Dollar trading at year lows against Euro and Yen, ahead of the Federal Reserve's Monetary Policy Meeting.

Dow Jones Industrials Index trades 0.47% higher, while the Nasdaq Indecx adds 0.44%, and the S&P Index trades 0.45% up in the first hour of trading.

Commodities and gold have rebounded on Tuesday ad the Dollar fell to the lowest levels on the year so far against the Euro. Gold reached $1.018 and oil prices rose to $71 a barrel.

Euro hits a fresh 2009 high

EUR/USD has rallied from Monday's low at 1.4610 to hit a fresh 2009 high above 1.4800, topping at 1.4822 before easing to levels right below 1.4800. At the moment of writing, the Euro trades at 1.4785.

GBP/USD bounced from 2-weeks low at 1.6130 on Monday although Pound's rally has been capped at 1.6355, and the pair remains hovering from 1.6300 to 1.6350 on early U.S. session

USD/JPY made a shy attempt to pick up from 91.15 low on early European session but the pair was capped at 91.55 and the Dollar returned to the downside, hitting a fresh session low at 91.00. At the moment of writing, the Dollar trades right above 91.00.