By Rodrigo Campos NEW YORK (Reuters) -Argentine financial assets rallied on Monday, with stocks rising the most in six months, international dollar bonds up more than 6 cents and the peso strengthening after Washington pledged full support for Argentina's right-wing government ahead of key midterm elections next month. U.S. Treasury Secretary Scott Bessent said "all options" are on the table for stabilizing Argentina, including swap lines and direct currency purchases, while underscoring President Donald ...