Gold gave up all of its 2012 gains Monday, as the U.S. dollar strengthened for the eleventh consecutive session and posted its longest winning streak since August 2008.

Gold futures prices , which are denominated in U.S. dollars, settled at $1,561, down 0.4 percent so far this year.



Since bullion closed near a 4-month high of $1,788 back on Feb. 28, it has fallen 13 percent.