A trader listens to an announcement by the U.S. Federal Reserve on the floor of the New York Stock Exchange in New YorkBy Chuck Mikolajczak NEW YORK (Reuters) – Shares rose on Friday, placing the S&P 500 on % for its very best week in 5 months, as an abruptly robust record on U.S. growth boosted investor self assurance that the economic system may handle a wind-down of Federal Reserve stimulus. Gross home product grew at a four.1 p.c annual rate in the third quarter, the fastest p.c. in virtually two years, and higher than the 3.6 % % reported prior this month. Industry spending was also better than in the past estimated. …