General Motors Co.’s second-quarter net income rose amid strong results from its in-house finance arm and China, but the auto maker lowered its 2018 profit outlook based partly on unexpectedly high raw-materials costs in the wake of U.S. tariffs on steel and aluminum.
GM on Wednesday said net income attributable to common shareholders totaled $2.4 billion for the April-to-June period, up 44% from a year earlier. GM said commodity costs in the quarter were about $300 million higher than a year earlier.
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