Emerging markets lead stocks higher, Wall Street lags

By Dion Rabouin NEW YORK (Reuters) - World stock markets touched a two-month high on Thursday, led by gains in emerging market stocks, as positive economic and political news soothed concerns about global growth and commodities prices extended their recovery. The MSCI emerging markets index was on track for its biggest weekly gain since October 2015, led by South African and Brazilian shares, which both rose to their highest in three months. Brazil's Bovespa index rose nearly 5 percent after new