Samsung Electronics shares fell 4.5% in pre-market trade on Nextrade.

Amid surging demand for sea-based weapons systems, Lockheed Martin agreed to buy naval defense firm Ultra Maritime from private equity firm Advent for $3.45 bln, the company said on Monday. Ultra Maritime, sold by Advent’s CobhamUltra unit, specializes in anti-submarine warfare across air, surface and subsurface domains, including sonobuoy detection, sonar systems and torpedo countermeasures, and supplies the navies of the US, Canada, the UK and Australia.

Spain's crude oil imports rose 8.2% YoY to 5.2 mln tonnes in May, the Spanish Strategic Petroleum Reserves Company said.