EMERGING MARKETS-Mexican stocks log best day in 2-months on USMCA cheer, Brazil shares pause

Brazilian stocks dipped on Tuesday after marking new highs over the past four sessions, while Mexican shares posted their biggest one-day gain in two months as Canada, Mexico and United States agreed to a fresh overhaul of their trade agreement. A revision of new North American Free Trade Agreement, called USMCA which was initially struck last year, adds more stringent oversight of the pact's labor provisions. The deal still need