The U.S. economy expanded across most of the country in the past six weeks as the job market showed strength that’s failing to stoke broad wage pressures, a Federal Reserve survey showed. The central bank’s Beige Book economic survey, which is based on reports from late November to early January by regional Fed banks, showed that two of the 12 Fed districts posted “moderate” growth and seven described the expansion as “modest.” Boston contacts were described as “upbeat,” while the New York and Kansas City Fed districts reported “essentially flat” economic activity. The report released Wednesday in Washington ... (full story)