The Dow erases more than 300-point gain after Trump threatens government shutdown
1:10pm PST - December 11th, 2018 john wall - Business InsiderWall Street wiped out earlier gains Tuesday after political headlines overshadowed trade optimism. The S&P 500 shed 4.6% last week, the most since March. Watch the major US indexes trade in real time here. Stocks surrendered gains Tuesday after President Dona…