For more Forex news & info, please visit http://www.ufxmarkets.com... The US Dollar strengthened across the board as Greece's call for a referendum on its rescue package raised uncertainties over whether the bailout plan would survive, sending investors looking for refuge. The ISM Manufacturing PMI came out at 50.8%. Wall Street closed negative as the Dow Jones fell by 2.48% and the NASDAQ declined by 2.89%. Crude Oil ended with a third day of losses, dropping by 1.1% and closing at $91.40 a barrel. Gold declined by 0.8%, and struggled to close above the $1700 area at $1711 an ounce.