Why Caterpillar Stock Slumped by Nearly 4% on Friday

Summary
It seems that the current round of tariffs enacted by the current presidential administration is going to wound Caterpil...
It seems that the current round of tariffs enacted by the current presidential administration is going to wound Caterpillar (CAT -3.65%) more than previously expected. On a new, not very encouraging revision of the impact of the levies on the industrial company's business, investors traded out of the stock on Friday.