The American auto manufacturer's net income fell by 35%, the company said in its second quarter ... More earnings call. Copyright 2011 AP. All rights reserved. Topline General Motors posted a $3 billion second-quarter profit—down$1.1 billion primarily because of tariffs imposed by the Trump administration, the company said in its earnings call on Tuesday, a day after Stellantis (Jeep, Fiat, Chrysler) blamed steep losses on tariffs. ...