General Motors shares soared Tuesday after reporting strong results as it adjusts strategy over US President Donald Trump's tariffs and slashing of economic support for electric vehicles.

The giant US automaker -- which has faced tough questions over the impact of Trump's policy pivots -- reported better than expected third-quarter profits and boosted some full-year projections.

The good results came despite a $1.6 billion hit to write down EV investments and $1.1 billion in tariff costs in the third quarter.

Profits fell 56.6 percent to $1.3 billion, while revenues dipped 0.3 percent to $48.6 billion.

But shares rocketed up more than 15 percent in a sign investors believe better profitability lies ahead after GM's heavy lifting in recent months to reposition the company.

"When we have a clear challenge in front of us, that's when the team does their best work," Chief Executive Mary Barra said on a conference call.

"We don't sit around and........

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