GLOBAL MARKETS-Equities up, dollar rises vs yen, as China growth slows

(Adds U.S. open, quotes, changes byline and dateline; previous LONDON)* Wall Street dips, as healthcare shares fall* China data, QE prospects lift European shares* China slows less than expected, IMF cuts global outlook* Dollar rises vs yen, gold aheadBy Michael ConnorNEW YORK, Jan 20 (Reuters) - European and Asian equities were mostly higher on Tuesday and the dollar climbed 1 percent against the