Big Companies to Mexico’s President: Stop Changing Rules

(Bloomberg) -- Terms of Trade is a daily newsletter that untangles a world embroiled in trade wars. Sign up here. Representatives of two top business groups warned that it’s getting increasingly harder for foreign companies to put their money in Mexico and said that messages from President Andres Manuel Lopez Obrador’s government that hinder investment need to stop.In a rare critique of the current administration, Carlos Salazar, head of one of the largest Mexican business group