GLOBAL MARKETS-Shares eye 5-yr high after Abe win, focus turns to earnings

* European shares edge higher after Nikkei's post-election gains boost Asia * Makeshift Portugal deal pushes up euro periphery bonds, doubts remain * Broadly softer dollar helps underpin commodity prices * Wall Street seen opening 0.1 percent higher By Marc Jones LONDON, July 22 (Reuters) - World shares traded near five-year highs on Monday as focus switched to an approaching wave of U.S earnings after Shinzo Abe strengthened his power base, adding weight to Japan's radical