Volvo Cars shares have risen over 7 percent since the automaker, with Chinese majority owner Zhejiang Geely Holding Group, reached an agreement with the Trump administration on exemptions from import rules.
The oil price is down a few percent, at $97.70 a barrel for North Sea Brent crude, on hopes of a quick peace settlement between the US and Iran.
The development is also pushing down market interest rates in many parts of the world, including Sweden.
The Stockholm Stock Exchange closed down 1.0 percent on Tuesday after a 1.5 percent gain on Monday. Since the beginning of the year, the OMXS index has been up 5.8 percent.
