US STOCKS-Wall St set to open higher on Mexico relief, M&A cheer

US STOCKS-Wall St set to open higher on Mexico relief, M&A cheer

(For a live blog on the U.S. stock market, click or type LIVE/ in a news window.) * Trump calls off tariffs as Mexico vows to tighten borders * U.S. automakers GM, Ford rise * United Tech, Raytheon …