Scott Horsley The U.S. economy lost jobs in February, and job gains for December and January were revised downward. A report from the Labor Department on Friday dashed hopes that the job market was stabilizing. Spencer Platt/Getty Images hide caption The U.S. job market turned weaker last month, dashing hopes for an economic rebound. A report from the Labor Department on Friday shows employers cut 92,000 jobs in February, when economists had expected the U.S. would continue adding jobs, albeit at a sluggish pace. The unemployment rate inched up to 4.4%. Loading... Job gains for December and January were also revised downward, with December now showing a net loss 17,000 jobs. February's job losses were widespread, with factories, construction companies and the federal government all shedding workers. Even health care, which has been a source of strength in the job market, lost 28,000 jobs in February — partly as a result of a nurses strike.…