https://phys.org/news/2018-10-gm-strong-profits.html

Strong pricing in those markets allowed the company to offset the hit from trade tariffs and the burden of the strong dollar in South American markets and report profits that eclipsed Wall Street forecasts by a wide margin.

Earnings for the quarter ending September 30 were $2.5 billion, up from a loss of $3 billion in the year-ago period when results were hit by a one-time accounting charge, and boosted the company's share price.