By Chibuike Oguh and Elizabeth Howcroft NEW YORK (Reuters) - Global stocks rose in choppy trading on Friday, on track for a weekly gain, driven by positive sentiment on Wall Street following key central bank decisions. The Federal Reserve cut U.S. interest rates by a quarter of a percentage point on Wednesday, the first easing since December, while Norway and Canada also cut rates. On Wall Street, all three indexes closed at record highs. The Dow Jones Industrial Average rose 0.37% to 46,315.27, the S&P ...