In the United States, a new study showed growing public concern about the economy.For the week ending Feb. 7, 31 percent of U.S. adults rated the current economy as “poor,” compared to 26 percent who rated it “excellent” or “good.”Fifty-eight percent of Americans surveyed said the economy is “getting worse,” compared to 38 percent who said it is “getting better.”The Gallup organization reported the findings.