U.S. growth slowed over the summer, but some sectors such as agriculture and manufacturing held up better than others, according to the Federal Reserve’s latest report on the economy. The Fed survey, commonly known as the Beige Book, dovetails with a slew of data that shows the U.S. recovery has tapered off since the spring. “The economy might have been going 55 miles an hour. Now we are going 45 miles an hour,” said economist John Canally of LPL Financial. “The ec...