WASHINGTON — The unemployment rate fell in two-thirds of U.S. states last month, evidence that recent modest improvements in the job market have benefited most regions of the country. The Labor Department said that unemployment fell in 37 states in December, rose in three and remained unchanged in 10. That’s similar to November, when joblessness declined in 43 states, and October, when it dropped in 36. The three states that reported increases were Hawaii, New Mexico and Rhode Island. Nevada posted the highest unemployment rate, at 12.6 percent, followed by California’s 11.1 percent. North Dakota had the lowest rate,...














