European shares were subdued on Wednesday after separate attacks on shipping raised concerns over further supply disruptions. The pan-European STOXX 600 was marginally lower at 660.32, while Germany's DAX edged up 0.2 percent after final data confirmed July inflation accelerated to 2.8 percent year-on-year. France's CAC 40 fell 0.3 percent and the UK's FTSE 100 was marginally lower. In corporate news, Balfour Beatty shares soared 8.4 percent after the British construction group raised its annual operating profit forecast, and Dutch lender ABN AMRO jumped more than 5 percent on strong second-quarter results and an upgraded full-year income outlook.