GLOBAL MARKETS-Stocks near 5-year high on Japan elections; yen jumps

* Wall Street shares edge up, S&P hovers near record high * Disappointing results from McDonald's weigh on sentiment * Yen strengthens vs dollar, euro in choppy trading * Gold posts biggest rise in over a year on weaker dollar By Richard Leong NEW YORK, July 22 (Reuters) - World stock prices rose to near five-year highs on Monday on growing investor optimism after Japanese Prime Minister Shinzo Abe strengthened his power base, adding weight to his plans to jumpstart the wor